doc: Fix typo in effective_cache_size patch

bmomjian · bmomjian · commit 3e5a9eee8a8a · 2013-10-08T19:02:37.000-04:00
diff --git a/doc/src/sgml/config.sgml b/doc/src/sgml/config.sgml
@@ -2865,7 +2865,7 @@ include 'filename'
         purposes.  The system also does not assume data remains in
         the disk cache between queries.  The auto-tuning
         selected by the default setting of -1 should give reasonable
-        results if this database cluster is can utilize most of the memory
+        results if this database cluster can utilize most of the memory
         on this server.
        </para>
       </listitem>
