Index: src/bp-activity/bp-activity-cache.php
===================================================================
--- src/bp-activity/bp-activity-cache.php	(revision 14199)
+++ src/bp-activity/bp-activity-cache.php	(working copy)
@@ -77,7 +77,7 @@
  *
  * @since 2.7.0
  *
- * @return bool
+ * @return bool True on success. False otherwise.
  */
 function bp_activity_reset_cache_incrementor() {
 	$without_last_activity = bp_core_reset_incrementor( 'bp_activity' );