diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index 1b9fe4f..ae2c13b 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -46,6 +46,6 @@ tests
 └── 6_docker_security_operations.sh
 ```
 
-To modify the Docker Bench for Security you should first clone the repository, make your changes, and then sign off on your commits. After that feel free to send us a pull-request with the changes.
+To modify the Docker Bench for Security you should first clone the repository, make your changes, check your code with `shellcheck`, `checkbashisms` or similar tools, and then sign off on your commits. After that feel free to send us a pull-request with the changes.
 
 While this tool is inspired in the CIS Docker 1.6 Benchmark, feel free to add new tests. We will try to turn dockerbench.com into a list of good community benchmarks for both security and performance, and we would love community contributions.