Update runtime files.
diff --git a/runtime/doc/usr_90.txt b/runtime/doc/usr_90.txt
index d5381a7..c1f3641 100644
--- a/runtime/doc/usr_90.txt
+++ b/runtime/doc/usr_90.txt
@@ -226,7 +226,7 @@
 This is all you need for the second method.  Just launch the executable, and
 follow the prompts.
 
-For the first method you must chose one of the binary archives.  These are
+For the first method you must choose one of the binary archives.  These are
 available:
 
 	gvim82.zip		The normal MS-Windows GUI version.