--- a/mercurial/revlogutils/sidedata.py	Mon Dec 14 14:38:01 2020 +0530
+++ b/mercurial/revlogutils/sidedata.py	Thu Jan 07 14:15:24 2021 +0100
@@ -13,8 +13,8 @@
 The current implementation is experimental and subject to changes. Do not rely
 on it in production.
 
-Sidedata are stored in the revlog itself, withing the revision rawtext. They
-are inserted, removed from it using the flagprocessors mechanism. The following
+Sidedata are stored in the revlog itself, within the revision rawtext. They
+are inserted and removed from it using the flagprocessors mechanism. The following
 format is currently used::
 
     initial header:
@@ -27,7 +27,7 @@
     normal raw text:
         <all bytes remaining in the rawtext>
 
-This is a simple and effective format. It should be enought to experiment with
+This is a simple and effective format. It should be enough to experiment with
 the concept.
 """