diff --git a/SeedDMS_Core/Core/inc.ClassDocument.php b/SeedDMS_Core/Core/inc.ClassDocument.php
index 3859b47eb..5bbd3078f 100644
--- a/SeedDMS_Core/Core/inc.ClassDocument.php
+++ b/SeedDMS_Core/Core/inc.ClassDocument.php
@@ -5050,7 +5050,14 @@ class SeedDMS_Core_DocumentContent extends SeedDMS_Core_Object { /* {{{ */
 		}
 
 		/* If a user is added when the revision has already been startet, then
-		 * put it in S_IN_REVISION otherwise in S_LOG_WAITING.
+		 * put it into S_LOG_WAITING otherwise into S_LOG_SLEEPING. Attention, if a
+		 * document content is in any other status but S_IN_REVISION, then it will
+		 * end up in S_LOG_SLEEPING. As this method is also called by removeFromProcesses()
+		 * when another user takes over the processes, it may happen that revisions
+		 * of document contents in status e.g. S_OBSOLETE, S_EXPIRED will change its
+		 * status from S_LOG_WAITING to S_LOG_SLEEPING. 
+		 * This could only be fixed if this method could set an initial revision status
+		 * by possibly passing it as another parameter to the method.
 		 */
 		$st=$this->getStatus();
 		$queryStr = "INSERT INTO `tblDocumentRevisionLog` (`revisionID`, `status`, `comment`, `date`, `userID`) ".