diff --git a/funcs/func_env.c b/funcs/func_env.c
index b770bbc9b2..e9ddd4163f 100644
--- a/funcs/func_env.c
+++ b/funcs/func_env.c
@@ -44,7 +44,7 @@ ASTERISK_FILE_VERSION(__FILE__, "$Revision$")
- Variables starting with AST_ are reserved to the system and may not be set.
+ Variables starting with AST_ are reserved to the system and may not be set.