[PATCH] histedit: add a missing "s" in a comment

[Pierre-Yves David]

# HG changeset patch
# User Pierre-Yves David <pierre-yves.david at fb.com>
# Date 1438372456 25200
#      Fri Jul 31 12:54:16 2015 -0700
# Node ID 83c304142b9da3ef2e6f8c1f1fabe97b5b836f26
# Parent  9e7d805925c87cfa0ca30819e8273ac37fd77a62
histedit: add a missing "s" in a comment

diff --git a/hgext/histedit.py b/hgext/histedit.py
--- a/hgext/histedit.py
+++ b/hgext/histedit.py
@@ -1033,11 +1033,11 @@ def processreplacement(state):
     replacements = state.replacements
     allsuccs = set()
     replaced = set()
     fullmapping = {}
     # initialise basic set
-    # fullmapping record all operation recorded in replacement
+    # fullmapping record all operations recorded in replacement
     for rep in replacements:
         allsuccs.update(rep[1])
         replaced.add(rep[0])
         fullmapping.setdefault(rep[0], set()).update(rep[1])
     new = allsuccs - replaced