Update master

astaple · astaple · commit 24151fd336e2 · 2012-06-20T15:37:24.000-07:00
diff --git a/source/reference/aggregation.txt b/source/reference/aggregation.txt
@@ -877,7 +877,7 @@ Multi-Expressions
 .. expression:: $ifNull
 
    Takes an array with two expressions. :expression:`$ifNull` returns
-   the first expression if it evaluates to a non-false
+   the first expression if it evaluates to a non-null
    value. Otherwise, :expression:`$ifNull` returns the second
    expression’s value.
 
