diff --git a/data/helpers.d/apt b/data/helpers.d/apt
index 9d2c2b64c..1c032f26c 100644
--- a/data/helpers.d/apt
+++ b/data/helpers.d/apt
@@ -288,8 +288,6 @@ EOF
 
 # Add dependencies to install with ynh_install_app_dependencies
 #
-# [internal]
-#
 # usage: ynh_add_app_dependencies --package=phpversion [--replace]
 # | arg: -p, --package - Packages to add as dependencies for the app.
 # | arg: -r, --replace - Replace dependencies instead of adding to existing ones.
diff --git a/data/helpers.d/network b/data/helpers.d/network
index 2e301090c..c8493d7ac 100644
--- a/data/helpers.d/network
+++ b/data/helpers.d/network
@@ -51,6 +51,8 @@ ynh_port_available () {
 
 # Validate an IP address
 #
+# [internal]
+#
 # usage: ynh_validate_ip --family=family --ip_address=ip_address
 # | ret: 0 for valid ip addresses, 1 otherwise
 #
diff --git a/data/helpers.d/string b/data/helpers.d/string
index dd318b4de..7a37f29c3 100644
--- a/data/helpers.d/string
+++ b/data/helpers.d/string
@@ -108,6 +108,8 @@ ynh_sanitize_dbid () {
 
 # Normalize the url path syntax
 #
+# [internal]
+#
 # Handle the slash at the beginning of path and its absence at ending
 # Return a normalized url path
 #
diff --git a/data/helpers.d/utils b/data/helpers.d/utils
index 41cef98c2..a991853e3 100644
--- a/data/helpers.d/utils
+++ b/data/helpers.d/utils
@@ -255,6 +255,8 @@ ynh_local_curl () {
 
 # Render templates with Jinja2
 #
+# [internal]
+#
 # Attention : Variables should be exported before calling this helper to be
 # accessible inside templates.
 #
@@ -345,6 +347,8 @@ ynh_secure_remove () {
 
 # Extract a key from a plain command output
 #
+# [internal]
+#
 # example: yunohost user info tata --output-as plain | ynh_get_plain_key mail
 #
 # usage: ynh_get_plain_key key [subkey [subsubkey ...]]