diff --git a/main_BSREM.py b/main_BSREM.py
index 3974ba8..482ae1d 100644
--- a/main_BSREM.py
+++ b/main_BSREM.py
@@ -1,4 +1,6 @@
-"""Main file to modify for submissions. It is used by e.g. example.ipynb and petric.py as follows:
+"""Main file to modify for submissions.
+
+Once renamed or symlinked as `main.py`, it will be used by `petric.py` as follows:
 
 >>> from main import Submission, submission_callbacks
 >>> from petric import data, metrics
diff --git a/main_ISTA.py b/main_ISTA.py
index 17a577e..e24138f 100644
--- a/main_ISTA.py
+++ b/main_ISTA.py
@@ -1,4 +1,6 @@
-"""Main file to modify for submissions. It is used by e.g. example.ipynb and petric.py as follows:
+"""Main file to modify for submissions.
+
+Once renamed or symlinked as `main.py`, it will be used by `petric.py` as follows:
 
 >>> from main import Submission, submission_callbacks
 >>> from petric import data, metrics