diff --git a/README.md b/README.md
index 6dc1733..367f58d 100644
--- a/README.md
+++ b/README.md
@@ -4,7 +4,7 @@ some benchamarks with openMP in C
 ## compile
 make to compile
 
-##usage 
+## usage 
 then 
 ```bash
 ./collect_data.sh <num> <outdata.txt>