diff --git a/src/message/message.py b/src/message/message.py
index 8af038e..06eae42 100644
--- a/src/message/message.py
+++ b/src/message/message.py
@@ -11,7 +11,7 @@ class Message:
         
 class ClickMessage(Message):
     def __init__(self, event):
-        event.stopPropagation();
+        event.stopPropagation()
         
 
 def msg(message_class, params):
diff --git a/src/model/editable.py b/src/model/editable.py
index eac889e..1d183e6 100644
--- a/src/model/editable.py
+++ b/src/model/editable.py
@@ -1,5 +1,6 @@
 class Editable:
     def make_copy(self):
+        # makes an internal copy of self
         # delete old copy
         if hasattr(self, "_copy"):
             if self._copy is not None:
@@ -9,6 +10,7 @@ class Editable:
         self._copy = JSON.parse(JSON.stringify(self))
     
     def copy(self):
+        # return internal copy of self
         # check if even initialized
         if hasattr(self, "_copy"):
             return self._copy