1 files changed, 1 insertions, 0 deletions
diff --git a/src/url.c b/src/url.c
index 995e3068..201892ea 100644
--- a/src/url.c
+++ b/src/url.c
@@ -190,6 +190,7 @@ static DilloUrl *Url_object_new(const char *uri_str)
 
 /*
  *  Free a DilloUrl
+ *  Do nothing if the argument is NULL
  */
 void a_Url_free(DilloUrl *url)
 {