diff --git a/site/docs/configurable-attributes.md b/site/docs/configurable-attributes.md
index 35bf0be..e5116a1 100644
--- a/site/docs/configurable-attributes.md
+++ b/site/docs/configurable-attributes.md
@@ -114,6 +114,7 @@
     srcs = select({
         ":arm_cpu": ["g_arm.src"],
         ":x86_cpu": ["g_x86.src"],
+    }),
     tools = select({
         ":arm_cpu": [":tool1"],
         ":x86_cpu": [":tool2"],