diff --git a/runtime/doc/mbyte.txt b/runtime/doc/mbyte.txt
index 416cbbd..13dfc59 100644
--- a/runtime/doc/mbyte.txt
+++ b/runtime/doc/mbyte.txt
@@ -753,7 +753,7 @@
 
 X INPUT METHOD (XIM) BACKGROUND			*XIM* *xim* *x-input-method*
 
-XIM is an international input module for X.  There are two kind of structures,
+XIM is an international input module for X.  There are two kinds of structures,
 Xlib unit type and |IM-server| (Input-Method server) type.  |IM-server| type
 is suitable for complex input, such as CJK.
 
@@ -826,7 +826,7 @@
   of Preedit Area and Status Area: |OnTheSpot|, |OffTheSpot|, |OverTheSpot|
   and |Root|.
 
-  Currently, GUI Vim support three style, |OverTheSpot|, |OffTheSpot| and
+  Currently, GUI Vim supports three styles, |OverTheSpot|, |OffTheSpot| and
   |Root|.
 
 *.  on-the-spot						*OnTheSpot*