.

bigfile/file_zodb.py

@@ -602,8 +602,9 @@ class ZBigFile(LivePersistent):
             # More: the algorythm to compute δ(ZODB) -> δ(blk) is more complex
             # than 1-1 ZBlk <-> blk mapping: ZBlk could stay constant, but if
             # ZBigFile.blktab topology is changed, affected file blocks have to
-            # be invalidated. Currently both !wcfs and wcfs codepaths fail to
-            # handle that, but wcfs will be improved and !wcfs will be deprecated.
+            # be invalidated. Currently !wcfs codepath fails to handle that,
+            # while wcfs handles invalidations correctly. The plan is to make
+            # wcfs way the primary and to deprecate !wcfs.
             #
             # -> don't propagate ZODB -> WCFS invalidation by client to fully
             # rely on and test wcfs subsystem.