diff --git a/index.md b/index.md
index 6734c36..76ff27f 100644
--- a/index.md
+++ b/index.md
@@ -123,6 +123,10 @@ Helpful documents:
 
 	:%s/\(.*\), \(.*\)/\2 \1/
 
+#### Change all text to lowercase 
+
+	 :%s/.*/\L&/
+
 #### Join all lines
 
 	:%j