diff --git a/PyTeX/format/macros.py b/PyTeX/format/macros.py
index 9c0397b..2194a9a 100644
--- a/PyTeX/format/macros.py
+++ b/PyTeX/format/macros.py
@@ -206,6 +206,7 @@ class ImplementationBeginMacro(SimpleSingleLineMacro):
         return [
             r'% \begin{implementation}',
             r'',
+            r'\section{\pkg{!name} implementation}',
             r'\begin{macrocode}',
             r'<*!outtype>',
             r'\end{macrocode}',