Typo fix.
diff --git a/Doc/lib/libstdtypes.tex b/Doc/lib/libstdtypes.tex
index f913f41..d478f31 100644
--- a/Doc/lib/libstdtypes.tex
+++ b/Doc/lib/libstdtypes.tex
@@ -330,7 +330,7 @@
iteration support:
\begin{methoddesc}[container]{__iter__}{}
- Return an interator object. The object is required to support the
+ Return an iterator object. The object is required to support the
iterator protocol described below. If a container supports
different types of iteration, additional methods can be provided to
specifically request iterators for those iteration types. (An