diff --git a/sdk/tests/README.md b/sdk/tests/README.md
index 4683cf3..72e58db 100644
--- a/sdk/tests/README.md
+++ b/sdk/tests/README.md
@@ -75,7 +75,10 @@
     Also, all of [the context creation attributes](https://www.khronos.org/registry/webgl/specs/latest/1.0/#5.2
     
                   Example: some-test.html?powerPreference=high-performance&antialias=false&depth=false
-   
+
+The tests at https://www.khronos.org/registry/webgl/sdk/tests/ are kept up-to-date with a GitHub webhook. If you suspect these tests are not in sync with GitHub, please verify the webhook log file here:
+
+   https://www.khronos.org/webgl/pull-github/logs/github.log
 
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