typos

src/ZODB/component.xml

@@ -46,7 +46,7 @@
     </key>
     <key name="packer" datatype="dotted-name">
       <description>
-        The dotten name (dotten module name and object name) of a
+        The dotted name (dotted module name and object name) of a
         packer object.  This is used to provide an alternative pack
         implementation.
       </description>