diff --git a/tools/diag/README b/tools/diag/README
index bd6af5f7f9cb..493687db7285 100644
--- a/tools/diag/README
+++ b/tools/diag/README
@@ -10,6 +10,8 @@ Please make a subdir per program, and add a brief description to this file.
 
 ac 		check if the FreeBSD handbook is in sync with the
 		committers list
-dumpvfscache	Program that can be used to examine the contents of the vfs
+dumpvfscache	program that can be used to examine the contents of the vfs
 		name cache.
-httpd-error	check for Web files which does not exists on your host 
+httpd-error	check for Web files which does not exists on your host
+localeck	check for invalid/incomplete locales 
+