diff --git a/about/changes/changes-9.en.ptm b/about/changes/changes-9.en.ptm
index 30ea800..9fe7b68 100644
--- a/about/changes/changes-9.en.ptm
+++ b/about/changes/changes-9.en.ptm
@@ -1,6 +1,6 @@
-  <expand|section|Improved style sheeds and source editing mode (1.0.3.5)>
+  <expand|section|Improved style sheets and source editing mode (1.0.3.5)>
 
-  We are making it easier for users to edit style sheeds. This improvement
+  We are making it easier for users to edit style sheets. This improvement
   made it necessary to simplify many of the standard <TeXmacs> styles and packages,
   so that it will be easier to customize them. However, if you already designed
   some style files, then this may break some of their features. We mainly