Fix typo in docs An => A (#1145)
`An distribution` fixed to `A distribution`
diff --git a/stats/view/aggregation.go b/stats/view/aggregation.go
index b7f169b..8bd2531 100644
--- a/stats/view/aggregation.go
+++ b/stats/view/aggregation.go
@@ -82,7 +82,7 @@
// Distribution indicates that the desired aggregation is
// a histogram distribution.
//
-// An distribution aggregation may contain a histogram of the values in the
+// A distribution aggregation may contain a histogram of the values in the
// population. The bucket boundaries for that histogram are described
// by the bounds. This defines len(bounds)+1 buckets.
//