diff --git a/Dockerfile b/Dockerfile
index b3ac371..956c52b 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -11,54 +11,54 @@ LABEL maintainer="aptalca"
 ENV HOME="/config"
 
 RUN \
- echo "**** install node repo ****" && \
- apt-get update && \
- apt-get install -y \
-	gnupg && \
- curl -s https://deb.nodesource.com/gpgkey/nodesource.gpg.key | apt-key add - && \
- echo 'deb https://deb.nodesource.com/node_12.x bionic main' \
-	> /etc/apt/sources.list.d/nodesource.list && \
- curl -s https://dl.yarnpkg.com/debian/pubkey.gpg | apt-key add - && \
- echo 'deb https://dl.yarnpkg.com/debian/ stable main' \
-	> /etc/apt/sources.list.d/yarn.list && \
- echo "**** install build dependencies ****" && \
- apt-get update && \
- apt-get install -y \
-	build-essential \
-	libx11-dev \
-	libxkbfile-dev \
-	libsecret-1-dev \
-	pkg-config && \
- echo "**** install runtime dependencies ****" && \
- apt-get install -y \
-	git \
-	jq \
-	nano \
-	net-tools \
-	nodejs \
-	sudo \
-	yarn && \
- echo "**** install code-server ****" && \
- if [ -z ${CODE_RELEASE+x} ]; then \
-	CODE_RELEASE=$(curl -sX GET https://registry.yarnpkg.com/code-server \
-	| jq -r '."dist-tags".latest' | sed 's|^|v|'); \
- fi && \
- CODE_VERSION=$(echo "$CODE_RELEASE" | awk '{print substr($1,2); }') && \
- yarn config set network-timeout 600000 -g && \
- yarn --production --verbose --frozen-lockfile global add code-server@"$CODE_VERSION" && \
- yarn cache clean && \
- echo "**** clean up ****" && \
- apt-get purge --auto-remove -y \
-	build-essential \
-	libx11-dev \
-	libxkbfile-dev \
-	libsecret-1-dev \
-	pkg-config && \
- apt-get clean && \
- rm -rf \
-	/tmp/* \
-	/var/lib/apt/lists/* \
-	/var/tmp/*
+  echo "**** install node repo ****" && \
+  apt-get update && \
+  apt-get install -y \
+    gnupg && \
+  curl -s https://deb.nodesource.com/gpgkey/nodesource.gpg.key | apt-key add - && \
+  echo 'deb https://deb.nodesource.com/node_12.x bionic main' \
+    > /etc/apt/sources.list.d/nodesource.list && \
+  curl -s https://dl.yarnpkg.com/debian/pubkey.gpg | apt-key add - && \
+  echo 'deb https://dl.yarnpkg.com/debian/ stable main' \
+    > /etc/apt/sources.list.d/yarn.list && \
+  echo "**** install build dependencies ****" && \
+  apt-get update && \
+  apt-get install -y \
+    build-essential \
+    libx11-dev \
+    libxkbfile-dev \
+    libsecret-1-dev \
+    pkg-config && \
+  echo "**** install runtime dependencies ****" && \
+  apt-get install -y \
+    git \
+    jq \
+    nano \
+    net-tools \
+    nodejs \
+    sudo \
+    yarn && \
+  echo "**** install code-server ****" && \
+  if [ -z ${CODE_RELEASE+x} ]; then \
+    CODE_RELEASE=$(curl -sX GET https://registry.yarnpkg.com/code-server \
+    | jq -r '."dist-tags".latest' | sed 's|^|v|'); \
+  fi && \
+  CODE_VERSION=$(echo "$CODE_RELEASE" | awk '{print substr($1,2); }') && \
+  yarn config set network-timeout 600000 -g && \
+  yarn --production --verbose --frozen-lockfile global add code-server@"$CODE_VERSION" && \
+  yarn cache clean && \
+  echo "**** clean up ****" && \
+  apt-get purge --auto-remove -y \
+    build-essential \
+    libx11-dev \
+    libxkbfile-dev \
+    libsecret-1-dev \
+    pkg-config && \
+  apt-get clean && \
+  rm -rf \
+    /tmp/* \
+    /var/lib/apt/lists/* \
+    /var/tmp/*
 
 # add local files
 COPY /root /
diff --git a/Dockerfile.aarch64 b/Dockerfile.aarch64
index 9321fb6..9fbfcdc 100644
--- a/Dockerfile.aarch64
+++ b/Dockerfile.aarch64
@@ -11,54 +11,54 @@ LABEL maintainer="aptalca"
 ENV HOME="/config"
 
 RUN \
- echo "**** install node repo ****" && \
- apt-get update && \
- apt-get install -y \
-	gnupg && \
- curl -s https://deb.nodesource.com/gpgkey/nodesource.gpg.key | apt-key add - && \
- echo 'deb https://deb.nodesource.com/node_12.x bionic main' \
-	> /etc/apt/sources.list.d/nodesource.list && \
- curl -s https://dl.yarnpkg.com/debian/pubkey.gpg | apt-key add - && \
- echo 'deb https://dl.yarnpkg.com/debian/ stable main' \
-	> /etc/apt/sources.list.d/yarn.list && \
- echo "**** install build dependencies ****" && \
- apt-get update && \
- apt-get install -y \
-	build-essential \
-	libx11-dev \
-	libxkbfile-dev \
-	libsecret-1-dev \
-	pkg-config && \
- echo "**** install runtime dependencies ****" && \
- apt-get install -y \
-	git \
-	jq \
-	nano \
-	net-tools \
-	nodejs \
-	sudo \
-	yarn && \
- echo "**** install code-server ****" && \
- if [ -z ${CODE_RELEASE+x} ]; then \
-	CODE_RELEASE=$(curl -sX GET https://registry.yarnpkg.com/code-server \
-	| jq -r '."dist-tags".latest' | sed 's|^|v|'); \
- fi && \
- CODE_VERSION=$(echo "$CODE_RELEASE" | awk '{print substr($1,2); }') && \
- yarn config set network-timeout 600000 -g && \
- yarn --production --verbose --frozen-lockfile global add code-server@"$CODE_VERSION" && \
- yarn cache clean && \
- echo "**** clean up ****" && \
- apt-get purge --auto-remove -y \
-	build-essential \
-	libx11-dev \
-	libxkbfile-dev \
-	libsecret-1-dev \
-	pkg-config && \
- apt-get clean && \
- rm -rf \
-	/tmp/* \
-	/var/lib/apt/lists/* \
-	/var/tmp/*
+  echo "**** install node repo ****" && \
+  apt-get update && \
+  apt-get install -y \
+    gnupg && \
+  curl -s https://deb.nodesource.com/gpgkey/nodesource.gpg.key | apt-key add - && \
+  echo 'deb https://deb.nodesource.com/node_12.x bionic main' \
+    > /etc/apt/sources.list.d/nodesource.list && \
+  curl -s https://dl.yarnpkg.com/debian/pubkey.gpg | apt-key add - && \
+  echo 'deb https://dl.yarnpkg.com/debian/ stable main' \
+    > /etc/apt/sources.list.d/yarn.list && \
+  echo "**** install build dependencies ****" && \
+  apt-get update && \
+  apt-get install -y \
+    build-essential \
+    libx11-dev \
+    libxkbfile-dev \
+    libsecret-1-dev \
+    pkg-config && \
+  echo "**** install runtime dependencies ****" && \
+  apt-get install -y \
+    git \
+    jq \
+    nano \
+    net-tools \
+    nodejs \
+    sudo \
+    yarn && \
+  echo "**** install code-server ****" && \
+  if [ -z ${CODE_RELEASE+x} ]; then \
+    CODE_RELEASE=$(curl -sX GET https://registry.yarnpkg.com/code-server \
+    | jq -r '."dist-tags".latest' | sed 's|^|v|'); \
+  fi && \
+  CODE_VERSION=$(echo "$CODE_RELEASE" | awk '{print substr($1,2); }') && \
+  yarn config set network-timeout 600000 -g && \
+  yarn --production --verbose --frozen-lockfile global add code-server@"$CODE_VERSION" && \
+  yarn cache clean && \
+  echo "**** clean up ****" && \
+  apt-get purge --auto-remove -y \
+    build-essential \
+    libx11-dev \
+    libxkbfile-dev \
+    libsecret-1-dev \
+    pkg-config && \
+  apt-get clean && \
+  rm -rf \
+    /tmp/* \
+    /var/lib/apt/lists/* \
+    /var/tmp/*
 
 # add local files
 COPY /root /
diff --git a/Dockerfile.armhf b/Dockerfile.armhf
index d5ba348..d89c362 100644
--- a/Dockerfile.armhf
+++ b/Dockerfile.armhf
@@ -11,54 +11,54 @@ LABEL maintainer="aptalca"
 ENV HOME="/config"
 
 RUN \
- echo "**** install node repo ****" && \
- apt-get update && \
- apt-get install -y \
-	gnupg && \
- curl -s https://deb.nodesource.com/gpgkey/nodesource.gpg.key | apt-key add - && \
- echo 'deb https://deb.nodesource.com/node_12.x bionic main' \
-	> /etc/apt/sources.list.d/nodesource.list && \
- curl -s https://dl.yarnpkg.com/debian/pubkey.gpg | apt-key add - && \
- echo 'deb https://dl.yarnpkg.com/debian/ stable main' \
-	> /etc/apt/sources.list.d/yarn.list && \
- echo "**** install build dependencies ****" && \
- apt-get update && \
- apt-get install -y \
-	build-essential \
-	libx11-dev \
-	libxkbfile-dev \
-	libsecret-1-dev \
-	pkg-config && \
- echo "**** install runtime dependencies ****" && \
- apt-get install -y \
-	git \
-	jq \
-	nano \
-	net-tools \
-	nodejs \
-	sudo \
-	yarn && \
- echo "**** install code-server ****" && \
- if [ -z ${CODE_RELEASE+x} ]; then \
-	CODE_RELEASE=$(curl -sX GET https://registry.yarnpkg.com/code-server \
-	| jq -r '."dist-tags".latest' | sed 's|^|v|'); \
- fi && \
- CODE_VERSION=$(echo "$CODE_RELEASE" | awk '{print substr($1,2); }') && \
- yarn config set network-timeout 600000 -g && \
- yarn --production --verbose --frozen-lockfile global add code-server@"$CODE_VERSION" && \
- yarn cache clean && \
- echo "**** clean up ****" && \
- apt-get purge --auto-remove -y \
-	build-essential \
-	libx11-dev \
-	libxkbfile-dev \
-	libsecret-1-dev \
-	pkg-config && \
- apt-get clean && \
- rm -rf \
-	/tmp/* \
-	/var/lib/apt/lists/* \
-	/var/tmp/*
+  echo "**** install node repo ****" && \
+  apt-get update && \
+  apt-get install -y \
+    gnupg && \
+  curl -s https://deb.nodesource.com/gpgkey/nodesource.gpg.key | apt-key add - && \
+  echo 'deb https://deb.nodesource.com/node_12.x bionic main' \
+    > /etc/apt/sources.list.d/nodesource.list && \
+  curl -s https://dl.yarnpkg.com/debian/pubkey.gpg | apt-key add - && \
+  echo 'deb https://dl.yarnpkg.com/debian/ stable main' \
+    > /etc/apt/sources.list.d/yarn.list && \
+  echo "**** install build dependencies ****" && \
+  apt-get update && \
+  apt-get install -y \
+    build-essential \
+    libx11-dev \
+    libxkbfile-dev \
+    libsecret-1-dev \
+    pkg-config && \
+  echo "**** install runtime dependencies ****" && \
+  apt-get install -y \
+    git \
+    jq \
+    nano \
+    net-tools \
+    nodejs \
+    sudo \
+    yarn && \
+  echo "**** install code-server ****" && \
+  if [ -z ${CODE_RELEASE+x} ]; then \
+    CODE_RELEASE=$(curl -sX GET https://registry.yarnpkg.com/code-server \
+    | jq -r '."dist-tags".latest' | sed 's|^|v|'); \
+  fi && \
+  CODE_VERSION=$(echo "$CODE_RELEASE" | awk '{print substr($1,2); }') && \
+  yarn config set network-timeout 600000 -g && \
+  yarn --production --verbose --frozen-lockfile global add code-server@"$CODE_VERSION" && \
+  yarn cache clean && \
+  echo "**** clean up ****" && \
+  apt-get purge --auto-remove -y \
+    build-essential \
+    libx11-dev \
+    libxkbfile-dev \
+    libsecret-1-dev \
+    pkg-config && \
+  apt-get clean && \
+  rm -rf \
+    /tmp/* \
+    /var/lib/apt/lists/* \
+    /var/tmp/*
 
 # add local files
 COPY /root /
diff --git a/README.md b/README.md
index 1eb7ad6..54c2510 100644
--- a/README.md
+++ b/README.md
@@ -151,7 +151,7 @@ Container images are configured using parameters passed at runtime (such as thos
 | `-e HASHED_PASSWORD=` | Optional web gui password, overrides `PASSWORD`, instructions on how to create it is below. |
 | `-e SUDO_PASSWORD=password` | If this optional variable is set, user will have sudo access in the code-server terminal with the specified password. |
 | `-e SUDO_PASSWORD_HASH=` | Optionally set sudo password via hash (takes priority over `SUDO_PASSWORD` var). Format is `$type$salt$hashed`. |
-| `-e PROXY_DOMAIN=code-server.my.domain` | If this optional variable is set, this domain will be proxied for subdomain proxying. See [Documentation](https://github.com/cdr/code-server/blob/master/doc/FAQ.md#sub-domains) |
+| `-e PROXY_DOMAIN=code-server.my.domain` | If this optional variable is set, this domain will be proxied for subdomain proxying. See [Documentation](https://github.com/cdr/code-server/blob/master/docs/FAQ.md#sub-domains) |
 | `-v /config` | Contains all relevant configuration files. |
 
 ## Environment variables from files (Docker secrets)
@@ -263,6 +263,7 @@ Once registered you can define the dockerfile to use with `-f Dockerfile.aarch64
 
 ## Versions
 
+* **08.05.21:** - Fix doc link
 * **04.02.20:** - Allow setting gui password via hash using env var `HASHED_PASSWORD`.
 * **23.12.20:** - Allow setting sudo password via hash using env var `SUDO_PASSWORD_HASH`.
 * **29.05.20:** - Add --domain-proxy support.
diff --git a/readme-vars.yml b/readme-vars.yml
index 27e9009..cb9b4a8 100644
--- a/readme-vars.yml
+++ b/readme-vars.yml
@@ -51,7 +51,7 @@ opt_param_env_vars:
   - { env_var: "HASHED_PASSWORD", env_value: "", desc: "Optional web gui password, overrides `PASSWORD`, instructions on how to create it is below." }
   - { env_var: "SUDO_PASSWORD", env_value: "password", desc: "If this optional variable is set, user will have sudo access in the code-server terminal with the specified password." }
   - { env_var: "SUDO_PASSWORD_HASH", env_value: "", desc: "Optionally set sudo password via hash (takes priority over `SUDO_PASSWORD` var). Format is `$type$salt$hashed`." }
-  - { env_var: "PROXY_DOMAIN", env_value: "code-server.my.domain", desc: "If this optional variable is set, this domain will be proxied for subdomain proxying. See [Documentation](https://github.com/cdr/code-server/blob/master/doc/FAQ.md#sub-domains)" }
+  - { env_var: "PROXY_DOMAIN", env_value: "code-server.my.domain", desc: "If this optional variable is set, this domain will be proxied for subdomain proxying. See [Documentation](https://github.com/cdr/code-server/blob/master/docs/FAQ.md#sub-domains)" }
 
 optional_block_1: false
 optional_block_1_items: ""
@@ -75,6 +75,7 @@ app_setup_block: |
 
 # changelog
 changelogs:
+  - { date: "08.05.21:", desc: "Fix doc link" }
   - { date: "04.02.20:", desc: "Allow setting gui password via hash using env var `HASHED_PASSWORD`." }
   - { date: "23.12.20:", desc: "Allow setting sudo password via hash using env var `SUDO_PASSWORD_HASH`." }
   - { date: "29.05.20:", desc: "Add --domain-proxy support." }
diff --git a/root/etc/cont-init.d/30-config b/root/etc/cont-init.d/30-config
index ef6be25..b3f6cd4 100644
--- a/root/etc/cont-init.d/30-config
+++ b/root/etc/cont-init.d/30-config
@@ -3,20 +3,20 @@
 mkdir -p /config/{extensions,data,workspace,.ssh}
 
 if [ -n "${SUDO_PASSWORD}" ] || [ -n "${SUDO_PASSWORD_HASH}" ]; then
-  echo "setting up sudo access"
-  if ! grep -q 'abc' /etc/sudoers; then
-    echo "adding abc to sudoers"
-    echo "abc ALL=(ALL:ALL) ALL" >> /etc/sudoers
-  fi
-  if [ -n "${SUDO_PASSWORD_HASH}" ]; then
-    echo "setting sudo password using sudo password hash"
-    sed -i "s|^abc:\!:|abc:${SUDO_PASSWORD_HASH}:|" /etc/shadow
-  else
-    echo "setting sudo password using SUDO_PASSWORD env var"
-    echo -e "${SUDO_PASSWORD}\n${SUDO_PASSWORD}" | passwd abc
-  fi
+    echo "setting up sudo access"
+    if ! grep -q 'abc' /etc/sudoers; then
+        echo "adding abc to sudoers"
+        echo "abc ALL=(ALL:ALL) ALL" >> /etc/sudoers
+    fi
+    if [ -n "${SUDO_PASSWORD_HASH}" ]; then
+        echo "setting sudo password using sudo password hash"
+        sed -i "s|^abc:\!:|abc:${SUDO_PASSWORD_HASH}:|" /etc/shadow
+    else
+        echo "setting sudo password using SUDO_PASSWORD env var"
+        echo -e "${SUDO_PASSWORD}\n${SUDO_PASSWORD}" | passwd abc
+    fi
 fi
 
 # permissions
 chown -R abc:abc \
-	/config
+    /config
diff --git a/root/etc/services.d/code-server/run b/root/etc/services.d/code-server/run
index 4a7780c..c298a9b 100644
--- a/root/etc/services.d/code-server/run
+++ b/root/etc/services.d/code-server/run
@@ -1,25 +1,25 @@
 #!/usr/bin/with-contenv bash
 
 if [ -n "${PASSWORD}" ] || [ -n "${HASHED_PASSWORD}" ]; then
-  AUTH="password"
+    AUTH="password"
 else
-  AUTH="none"
-  echo "starting with no password"
+    AUTH="none"
+    echo "starting with no password"
 fi
 
 if [ -z ${PROXY_DOMAIN+x} ]; then
-  PROXY_DOMAIN_ARG=""
+    PROXY_DOMAIN_ARG=""
 else
-  PROXY_DOMAIN_ARG="--proxy-domain=${PROXY_DOMAIN}"
+    PROXY_DOMAIN_ARG="--proxy-domain=${PROXY_DOMAIN}"
 fi
 
 exec \
-	s6-setuidgid abc \
-		/usr/local/bin/code-server \
-			--bind-addr 0.0.0.0:8443 \
-			--user-data-dir /config/data \
-			--extensions-dir /config/extensions \
-			--disable-telemetry \
-			--auth "${AUTH}" \
-			"${PROXY_DOMAIN_ARG}" \
-			/config/workspace
+    s6-setuidgid abc \
+        /usr/local/bin/code-server \
+            --bind-addr 0.0.0.0:8443 \
+            --user-data-dir /config/data \
+            --extensions-dir /config/extensions \
+            --disable-telemetry \
+            --auth "${AUTH}" \
+            "${PROXY_DOMAIN_ARG}" \
+            /config/workspace