More \exception fixes.
diff --git a/Doc/lib/libcookielib.tex b/Doc/lib/libcookielib.tex
index a35f97d..ef2d833 100644
--- a/Doc/lib/libcookielib.tex
+++ b/Doc/lib/libcookielib.tex
@@ -249,7 +249,7 @@
ignore_discard=\constant{False}, ignore_expires=\constant{False}}
Save cookies to a file.
-This base class raises \class{NotImplementedError}. Subclasses may
+This base class raises \exception{NotImplementedError}. Subclasses may
leave this method unimplemented.
\var{filename} is the name of file in which to save cookies. If