1 files changed, 1 insertions, 1 deletions

diff --git a/src/include/gnunet_strings_lib.h b/src/include/gnunet_strings_lib.h
index 09c547b09..bb8577b7a 100644
--- a/src/include/gnunet_strings_lib.h
+++ b/src/include/gnunet_strings_lib.h
@@ -458,7 +458,7 @@ GNUNET_STRINGS_base64url_decode (const char *data,
  *
  * @param data the data to encode
  * @param len the length of the input
- * @param output where to write the output (*output should be NULL,
+ * @param[out] out where to write the output (*output should be NULL,
  *   is allocated)
  * @return the size of the output
  */