Minor documentation change.

Also used to test PR workflow.
diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index 30a820d..13788d6 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -1,6 +1,6 @@
 Want to contribute? Great! First, read this page (including the small print at
 the end). Also note that we do not accept contributions to the published
-toolchain artifacts (contents under https://github.com/bazelbuild/bazel-toolchains/configs/
+toolchain configs (contents under https://github.com/bazelbuild/bazel-toolchains/configs/
 folder).
 
 ### Before you contribute