merge: minor rendering fix

Sam Kleinman · Sam Kleinman · commit 035c44202aad · 2012-09-05T17:01:21.000-04:00
diff --git a/source/reference/aggregation/substr.txt b/source/reference/aggregation/substr.txt
@@ -13,6 +13,6 @@ $substr
 
    .. note::
 
-      ::expression:`$substr` is not encoding aware and if used
+      :expression:`$substr` is not encoding aware and if used
       improperly may produce a result string containing an invalid utf-8
       character sequence.
