diff --git a/extensions/armatak/controller.go b/extensions/armatak/controller.go
index d203621..6c2f033 100644
--- a/extensions/armatak/controller.go
+++ b/extensions/armatak/controller.go
@@ -23,7 +23,7 @@ func armatak_controller_get_auth_token(
 	ctx a3interface.ArmaExtensionContext,
 	command string,
 ) (string, error) {
-	return invalidCallExtensionMethod("the auth informations must be provided")
+	return invalidCallExtensionMethod(": the auth informations must be provided")
 }
 
 func armatak_controller_args_get_auth_token(
@@ -40,7 +40,7 @@ func armatak_controller_post_marker(
 	ctx a3interface.ArmaExtensionContext,
 	data string,
 ) (string, error) {
-	return invalidCallExtensionMethod("post marker requires args")
+	return invalidCallExtensionMethod(": post marker requires args")
 }
 
 func armatak_controller_args_post_marker(
@@ -57,7 +57,7 @@ func armatak_controller_post_marker_debug(
 	ctx a3interface.ArmaExtensionContext,
 	data string,
 ) (string, error) {
-	return invalidCallExtensionMethod("post marker requires args")
+	return invalidCallExtensionMethod(": post marker requires args")
 }
 
 func armatak_controller_args_post_marker_debug(
@@ -74,7 +74,7 @@ func armatak_controller_delete_marker(
 	ctx a3interface.ArmaExtensionContext,
 	data string,
 ) (string, error) {
-	return invalidCallExtensionMethod("post marker requires args")
+	return invalidCallExtensionMethod(": post marker requires args")
 }
 
 func armatak_controller_args_delete_marker(