diff --git a/README.md b/README.md
index ee61b96..522df15 100644
--- a/README.md
+++ b/README.md
@@ -31,7 +31,7 @@ Then please edit the file config.json, which can be found inside folder [fronten
  }
 ```
 
-Finally, please include the URL of your User interface to the file beacon/__main__.py (line 103), so that it becomes part of the list of URLs accepted by CORS.
+Finally, please include the URL of your User interface to the file beacon/_ _main_ _.py (line 103), so that it becomes part of the list of URLs accepted by CORS.
 
 
 Note that in the root folder (frontend) you will find a file called .gitignore with the list of all files that need to be ignored.