diff --git a/include/asterisk/strings.h b/include/asterisk/strings.h
index 13ecb3a5f8..52bbc36297 100644
--- a/include/asterisk/strings.h
+++ b/include/asterisk/strings.h
@@ -54,7 +54,7 @@ char *ast_skip_blanks(char *str),
   \brief Trims trailing whitespace characters from a string.
   \param ast_trim_blanks function being used
   \param str the input string
-  \return a pointer to the NULL following the string
+  \return a pointer to the modified string
  */
 AST_INLINE_API(
 char *ast_trim_blanks(char *str),