diff --git a/l3pdffield-choice.dtx b/l3pdffield-choice.dtx
index 4fa78b0a..f1795c80 100644
--- a/l3pdffield-choice.dtx
+++ b/l3pdffield-choice.dtx
@@ -428,7 +428,7 @@
 % ,\tl_to_str:n
 % ,\use:c
 %   }
-% \section{\pkg{l3pdffield-radiobutton} Implementation}
+% \section{\pkg{l3pdffield-choice} Implementation}
 %    \begin{macrocode}
 %<*package>
 %<@@=pdffield>