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-rw-r--r--utils/url.h3
1 files changed, 2 insertions, 1 deletions
diff --git a/utils/url.h b/utils/url.h
index 07ad1a794..5d8d1540c 100644
--- a/utils/url.h
+++ b/utils/url.h
@@ -48,9 +48,10 @@ nserror url_escape(const char *unescaped, size_t toskip, bool sptoplus,
* \param[in] str String to unescape.
* \param[in] length Length of string or 0 to use strlen.
* \param[out] length_out Iff non-NULL, value updated to length of returned
- * result_out string.
+ * result_out string (excluding trailing '\0'`).
* \param[out] result_out Returns unescaped string, owned by caller.
* Must be freed with free().
+ * Returned string has trailing '\0'.
* \return NSERROR_OK on success
*/
nserror url_unescape(const char *str, size_t length,