diff --git a/README.md b/README.md
index 87ca8ec..3f960a8 100644
--- a/README.md
+++ b/README.md
@@ -126,7 +126,7 @@ You can add any other OBD pids in the table declared in `simple_obd_test.ino` ju
 
 *Mapping pids and their frequencies*
 
-## How to improve the project
+## How to improve the project ?
 
 The board has a wifi antenna which could be used to send data to a server or phone. We can conceive a dashbord that displays the data in real
 time. It is possible to have some ideas by looking up in [freematics github projects](https://github.com/stanleyhuangyc/Freematics/tree/master/firmware_v5). We can improve the daemon task to send data via wifi.
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libgit2 0.21.4