Fix erroneous docstring comment.
diff --git a/Doc/lib/libheapq.tex b/Doc/lib/libheapq.tex
index edacf79..55ef641 100644
--- a/Doc/lib/libheapq.tex
+++ b/Doc/lib/libheapq.tex
@@ -60,9 +60,10 @@
by \function{heappush()}, and can be more appropriate when using
a fixed-size heap. Note that the value returned may be larger
than \var{item}! That constrains reasonable uses of this routine
-unless written as part of a larger expression:
+unless written as part of a conditional replacement:
\begin{verbatim}
- result = item <= heap[0] and item or heapreplace(heap, item)
+ if item > heap[0]:
+ item = heapreplace(heap, item)
\end{verbatim}
\end{funcdesc}