diff --git a/src/doc/extension/module.md b/src/doc/extension/module.md
index 14eae2afd89365fee056cbfce069fb8b434836a0..284b4dcf6d7f6b5fc654fd075727b878e2a57b2e 100644
--- a/src/doc/extension/module.md
+++ b/src/doc/extension/module.md
@@ -51,7 +51,7 @@ $(document).ready(function() {
     // use a variable starting with `BUILD_MODULE_` to enable your module
     // the build variable has to be enabled in the `build.properties.d/` directory.
     // Otherwise the module will not be activated.
-    if ("${BUILD_MODULE_EXT_BOTTOM_LINE}" === "ENABLED") {
+    if ("${BUILD_MODULE_EXT_FLIGHT_PREVIEW}" === "ENABLED") {
         caosdb_modules.register(ext_flight_preview);
     }
 });
@@ -88,4 +88,17 @@ may append all your module files in the desired order to the
 
     MODULE_DEPENDENCIES+=(libA.js libB.js ext_flight_preview.js)
 
-In this example, `libA.js`, `libB.js` and `ext_flight_preview.js` are custom modules developed for this particular LinkAhead webui instance.
+In this example, `libA.js`, `libB.js` and `ext_flight_preview.js` are custom modules developed for this particular CaosDB webui instance.
+
+Briefly describe the changes you made to the whole repository in the file called `CHANGELOD.md` in caosdb-webui.
+
+## Create a merge request
+
+Commit your changes to the repository to a new branch called `f-<custom name>`. `f-` is the shorthand for feature-branch and your custom name should be short, but descriptive, e.g. `f-flight-preview` in this case.
+
+Push your branch upstream using e.g.:
+`git push --set-upstream origin f-flight-preview`
+
+Login to gitlab and navigate to the project caosdb-webui.
+
+There should be a button titled `Create Merge Request`.
\ No newline at end of file