Accidentally less words.
diff --git a/docs/exceptions.rst b/docs/exceptions.rst
index d6c1508..ab1b28f 100644
--- a/docs/exceptions.rst
+++ b/docs/exceptions.rst
@@ -5,7 +5,7 @@
 
 .. class:: AlreadyFinalized
 
-    This is raised when a context is used after being it has been finalized.
+    This is raised when a context is used after being finalized.
 
 
 .. class:: UnsupportedAlgorithm