diff --git a/scripts/Python/modify-python-lldb.py b/scripts/Python/modify-python-lldb.py
index 95f68a3..c5cbab0 100644
--- a/scripts/Python/modify-python-lldb.py
+++ b/scripts/Python/modify-python-lldb.py
@@ -63,6 +63,7 @@
 #
 lldb_helpers = '''
 def in_range(symbol, section):
+    """Test whether a symbol is within the range of a section."""
     symSA = symbol.GetStartAddress().GetFileAddress()
     symEA = symbol.GetEndAddress().GetFileAddress()
     secSA = section.GetFileAddress()