language/exceptions.xml: add missing "be" (#4766)

Co-authored-by: Rainer M. Canavan <rainer.canavan@avenga.com>

Author: rcanavan

language/exceptions.xml

@@ -83,7 +83,7 @@
     Another notable interaction is between an exception thrown from within a &try; block,
     and an exception thrown from within a &finally; block. If both blocks throw an exception,
     then the exception thrown from the &finally; block will be the one that is propagated,
-    and the exception thrown from the &try; block will used as its previous exception.
+    and the exception thrown from the &try; block will be used as its previous exception.
    </para>
   </sect1>