diff --git a/cle/backends/macho/encrypted_sentinel_backer.py b/cle/backends/macho/encrypted_sentinel_backer.py
index 36d21f58..500d6c41 100644
--- a/cle/backends/macho/encrypted_sentinel_backer.py
+++ b/cle/backends/macho/encrypted_sentinel_backer.py
@@ -67,8 +67,9 @@ def _assert_unencrypted_access(self, addr, size):
 
 
 class EncryptedDataAccessException(Exception):
+    """
+    Special exception to be raised when access to encrypted memory is attempted
+    """
     def __init__(self, message, addr):
         super().__init__(message)
         self.addr = addr
-
-    pass