diff --git a/packager/tools/memory/tsan_v2/ignores.txt b/packager/tools/memory/tsan_v2/ignores.txt
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+# The rules in this file are only applied at compile time. If you can modify the
+# source in question, consider function attributes to disable instrumentation.
+#
+# Please think twice before you add or remove these rules.
+# Data races should typically go to suppressions.txt.
+