diff --git a/runtime/doc/vim9class.txt b/runtime/doc/vim9class.txt
index 3c7722c..6acbca5 100644
--- a/runtime/doc/vim9class.txt
+++ b/runtime/doc/vim9class.txt
@@ -1,4 +1,4 @@
-*vim9class.txt*	For Vim version 9.0.  Last change: 2023 Feb 26
+*vim9class.txt*	For Vim version 9.0.  Last change: 2023 Mar 22
 
 
 		  VIM REFERENCE MANUAL	  by Bram Moolenaar
@@ -205,7 +205,7 @@
 Dart language.
 
 Putting together this way of using new() and making the members public results
-in a much shorter class definition as what we started with: >
+in a much shorter class definition than what we started with: >
 
 	class TextPosition
 	   public this.lnum: number
@@ -526,7 +526,7 @@
 initialized, the value is null.  When trying to use this null object Vim often
 does not know what class was supposed to be used.  Vim then cannot check if
 a member name is correct and you will get an "Using a null object" error,
-even when the member name is invalid. *E1360* *E1362*
+even when the member name is invalid. *E1360* *E1362* *E1363*
 
 
 Default constructor ~
@@ -872,8 +872,8 @@
 
 The Vim scripts are expected to be used in a plugin, with just one person or a
 small team working on it.  Complex rules then only make it more complicated,
-the extra safety provide by the rules isn't really needed.  Let's just keep it
-simple and not specify access details.
+the extra safety provided by the rules isn't really needed.  Let's just keep
+it simple and not specify access details.
 
 
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