diff --git a/README.md b/README.md
index 39caa24..fb2a4b9 100644
--- a/README.md
+++ b/README.md
@@ -113,7 +113,7 @@ Thank you very much.
 
 ### Test Server
 
-Make sure you have [golang](https://go.dev) v1.20 or newer and [just](https://just.systems/man/en/) installed.
+Make sure you have [golang](https://go.dev) v1.21 or newer and [just](https://just.systems/man/en/) installed.
 
 run `just dev`  
 now this pages should work:
diff --git a/html/html.go b/html/html.go
index 4470411..ff8b6b4 100644
--- a/html/html.go
+++ b/html/html.go
@@ -2,8 +2,8 @@ package html
 
 import (
 	_ "embed"
-	"html/template"
 	"net/http"
+	"text/template" // do not use html/template here, we sanitize the message before passing it to the template
 
 	"codeberg.org/codeberg/pages/server/context"
 	"github.com/microcosm-cc/bluemonday"
diff --git a/server/handler/handler_sub_domain.go b/server/handler/handler_sub_domain.go
index d365ea4..e7cb3a6 100644
--- a/server/handler/handler_sub_domain.go
+++ b/server/handler/handler_sub_domain.go
@@ -147,7 +147,7 @@ func handleSubDomain(log zerolog.Logger, ctx *context.Context, giteaClient *gite
 
 	// Couldn't find a valid repo/branch
 	html.ReturnErrorPage(ctx,
-		fmt.Sprintf("could not find a valid repository or branch: <code>%s</code>", targetRepo),
+		fmt.Sprintf("could not find a valid repository or branch for repository: <code>%s</code>", targetRepo),
 		http.StatusNotFound)
 }