diff --git a/googletest/docs/faq.md b/googletest/docs/faq.md
index f290f025..3ece95bc 100644
--- a/googletest/docs/faq.md
+++ b/googletest/docs/faq.md
@@ -6,6 +6,10 @@
 
 ## Why should test suite names and test names not contain underscore?
 
+Note: Googletest reserves underscore (`_`) for special purpose keywords, such as
+[the `DISABLED_` prefix](advanced.md#temporarily-disabling-tests), in addition
+to the following rationale.
+
 Underscore (`_`) is special, as C++ reserves the following to be used by the
 compiler and the standard library: