diff --git a/Contribution-Tutorial.md b/Contribution-Tutorial.md
index 04b3465..16476a5 100644
--- a/Contribution-Tutorial.md
+++ b/Contribution-Tutorial.md
@@ -212,10 +212,21 @@ As it's mentioned in the GIT documentation (http://git-scm.com/book/en/Distribut
 
 As you already know tests are placed in the `test/` directory. Add tests for the newly added feature and if you added new files modify the Jamfile as well.
 
+* Run all unit tests before submit, even the tests of features you did not work on.
+* Check your contribution with two compilers:
+    * on Windows you can use Visual Studio and MinGW/GCC or VirtualBox/GCC
+    * on Linux you can use GCC and Clang
+* It's preferable to do this before sending the merge/pull request.
+* Consider using additional compiler options like -Wall, -Wextra, -Wconversion to catch more bugs.
+
 Run the tests (assuming you're in `modular-boost/libs/geometry/`)
 
     b2 test
 
+If you wanted to pass some compiler options use `cxxflags` parameter
+
+    b2 test cxxflags="-Wall"
+
 #### Push
 
 At the end, push your changes to the remote branch