Remove testing line

simonsan · simonsan · commit 23034bfa116c · 2021-02-01T12:12:47.000+01:00
diff --git a/src/about-this-guide.md b/src/about-this-guide.md
@@ -1,7 +1,5 @@
 # About this guide
 
-## TESTING 123
-
 **Status:** Stub
 
 This guide is for contributors and reviewers to Rust's standard library.
