Update README.md

Update Dev instructions

README.md

@@ -282,16 +282,18 @@ Run configure to set up the required third party libraries:
 (odmdev) [user:/code] master+* ± bash configure.sh reinstall
 ```
 
-
-### run with modifications
-
-### attach docker
 You can now make changes to the ODM source. When you are ready to test the changes you can simply invoke:
 
 ```bash
 (odmdev) [user:/code] master+* ± ./run.sh --project-path /datasets mydataset
 ```
 
+### To come back to dev environement
+```
+$ docker start -a  odmdev
+```
+
+
 If you have questions, join the developer's chat at https://community.opendronemap.org/c/developers-chat/21
 
 1. Try to keep commits clean and simple