diff --git a/.gitignore b/.gitignore
index e83ac2d32f53..c95da30592d4 100644
--- a/.gitignore
+++ b/.gitignore
@@ -20,4 +20,5 @@ docs/code-docs/build
 .jekyll-cache/
 .jekyll-metadata
 
+# Testing data
 tests/unit/saved_checkpoint/