diff --git a/docs/d3-geo/shape.md b/docs/d3-geo/shape.md
index 56b0a6c538004..9a55e8561192d 100644
--- a/docs/d3-geo/shape.md
+++ b/docs/d3-geo/shape.md
@@ -106,7 +106,7 @@ function radius() {
 
 ```js
 function precision() {
-  return 6;
+  return 2;
 }
 ```