diff --git a/Doc/lib/libpickle.tex b/Doc/lib/libpickle.tex
index c8a4d24..ebc8975 100644
--- a/Doc/lib/libpickle.tex
+++ b/Doc/lib/libpickle.tex
@@ -386,4 +386,4 @@
 programming language, and there are some freedoms in the encodings of
 certain objects, it's possible that the two modules produce different
 pickled data for the same input objects; however they will always be
-able to read each others pickles back in.)
+able to read each other's pickles back in.)