diff --git a/Doc/libexcs.tex b/Doc/libexcs.tex
index 33083cd..7cc9195 100644
--- a/Doc/libexcs.tex
+++ b/Doc/libexcs.tex
@@ -24,7 +24,7 @@
 \begin{excdesc}{AttributeError}
 % xref to attribute reference?
   Raised when an attribute reference or assignment fails.  (When an
-  object does not support attributes references or attribute assignments
+  object does not support attribute references or attribute assignments
   at all, \code{TypeError} is raised.)
 \end{excdesc}