diff --git a/README.md b/README.md
index 7841da8..70d196e 100644
--- a/README.md
+++ b/README.md
@@ -1,3 +1,5 @@
 # historysearch
 
-search in git history 
\ No newline at end of file
+search in git history 
+- find the file
+- selecte the file and type the delta to search
\ No newline at end of file