Fix two typos
diff --git a/Doc/lib/libweakref.tex b/Doc/lib/libweakref.tex
index ce44009..61ed9fe 100644
--- a/Doc/lib/libweakref.tex
+++ b/Doc/lib/libweakref.tex
@@ -32,7 +32,7 @@
are likely to change to some degree before the final release as
experience reports become available.
-Please send specific feeback on this module to Fred Drake at
+Please send specific feedback on this module to Fred Drake at
\email{fdrake@acm.org}.
@@ -50,7 +50,7 @@
registered callback.
Exceptions raised by the callback will be noted on the standard
- error output, but cannot be propogated; they are handled in exactly
+ error output, but cannot be propagated; they are handled in exactly
the same way as exceptions raised from an object's
\method{__del__()} method.
\end{funcdesc}