diff --git a/python/seaserv/api.py b/python/seaserv/api.py
index 486aa9b..2f442ef 100644
--- a/python/seaserv/api.py
+++ b/python/seaserv/api.py
@@ -276,8 +276,8 @@ class SeafileAPI(object):
         @scan_stat: An opaque status returned by the last call. In the first call, None
                     must be passed. The last entry of the result list contains a 'scan_stat'
                     attribute. In the next call, pass in the returned 'scan_stat'.
-        @limit: Advisory maximum number of result entries returned. Sometimes more than @limit
-                entries will be returned.
+        @limit: Advisory maximum number of commits to traverse. Sometimes more than @limit
+                commits will be traversed.
 
         Return a list of DeletedEntry objects (lib/repo.vala).
         If no more deleted entries can be returned within the given time frame (specified by
diff --git a/server/repo-op.c b/server/repo-op.c
index d4cc85c..8428376 100644
--- a/server/repo-op.c
+++ b/server/repo-op.c
@@ -5259,7 +5259,7 @@ scan_commits_for_collect_deleted (CollectDelData *data,
         }
         seaf_commit_unref (commit);
 
-        if (++scan_num == limit && (!list || !list->next)) {
+        if (++scan_num >= limit && (!list || !list->next)) {
             break;
         }
     }