From 83ca86ae6e927f4b184dcfdc21357bd1b3c2512e Mon Sep 17 00:00:00 2001
From: Scott Anderson <scott@influxdata.com>
Date: Mon, 2 Dec 2019 08:40:11 -0700
Subject: [PATCH] fixed filter example in variables docs, resolves #643

---
 content/v2.0/visualize-data/variables/_index.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/content/v2.0/visualize-data/variables/_index.md b/content/v2.0/visualize-data/variables/_index.md
index 2ee717f8f..aba1babcc 100644
--- a/content/v2.0/visualize-data/variables/_index.md
+++ b/content/v2.0/visualize-data/variables/_index.md
@@ -24,7 +24,7 @@ Reference each variable using dot-notation (e.g. `v.variableName`).
 ```js
 from(bucket: v.bucket)
   |> range(start: v.timeRangeStart, stop: v.timeRangeStart)
-  |> filter(fn (r) => r._measurement == v.measurement and r._field == v.field)
+  |> filter(fn: (r) => r._measurement == v.measurement and r._field == v.field)
   |> aggregateWindow(every: v.windowPeriod, fn: mean)
 ```