1 files changed, 3 insertions, 1 deletions

diff --git a/src/datastore/plugin_datastore.h b/src/datastore/plugin_datastore.h
index 1214ae1be..8c42b8b98 100644
--- a/src/datastore/plugin_datastore.h
+++ b/src/datastore/plugin_datastore.h
@@ -123,7 +123,9 @@ typedef unsigned long long (*PluginGetSize) (void *cls);
  * @param anonymity anonymity-level for the content
  * @param expiration expiration time for the content
  * @param msg set to an error message (on failure)
- * @return GNUNET_OK on success, GNUNET_SYSERR on failure
+ * @return GNUNET_OK on success, GNUNET_NO if the content
+ *         was already present (and may have been updated);
+ *         GNUNET_SYSERR on failure
  */
 typedef int (*PluginPut) (void *cls,
                           const GNUNET_HashCode * key,