fix broken usage comment
diff --git a/Doc/texinputs/python.sty b/Doc/texinputs/python.sty
index a79a957..1f480a9 100644
--- a/Doc/texinputs/python.sty
+++ b/Doc/texinputs/python.sty
@@ -1202,7 +1202,7 @@
   }
 \fi
 
-% \seelink{url}{link text}
+% \seelink{url}{link text}{why it's interesting}
 \newcommand{\py@seelink}[3]{%
   \par
   \begin{fulllineitems}