Typo fixes

diff --git a/Doc/lib/libcollections.tex b/Doc/lib/libcollections.tex
index d9bfa39106739c5e6cf6a4bf359aad70856b0f05..3e56a3e965d85c9d9987eae3fa2da37074d0b2c4 100644 (file)
--- a/Doc/lib/libcollections.tex
+++ b/Doc/lib/libcollections.tex
@@ -59,12 +59,12 @@ Deque objects support the following methods:
 
 \begin{methoddesc}{pop}{}
    Remove and return an element from the right side of the deque.
-   If no elements are present, raises a \exception{IndexError}.
+   If no elements are present, raises an \exception{IndexError}.
 \end{methoddesc}
 
 \begin{methoddesc}{popleft}{}
    Remove and return an element from the left side of the deque.
-   If no elements are present, raises a \exception{IndexError}.   
+   If no elements are present, raises an \exception{IndexError}.   
 \end{methoddesc}
 
 \begin{methoddesc}{remove}{value}