diff --git a/OSBindings/Mac/Clock Signal/Machine/CSROMFetcher.hpp b/OSBindings/Mac/Clock Signal/Machine/CSROMFetcher.hpp
index 38891b20b..1aff457f2 100644
--- a/OSBindings/Mac/Clock Signal/Machine/CSROMFetcher.hpp	
+++ b/OSBindings/Mac/Clock Signal/Machine/CSROMFetcher.hpp	
@@ -8,6 +8,11 @@
 
 #include "ROMMachine.hpp"
 
+/// @returns a ROM fetcher that will check: (i) this application's support directory; and
+/// (ii) this application's bundle for any requested ROMs, in that order.
+///
+/// All ROMs are found to be missing when the ROM fetcher is used will be added
+/// to @c missing.
 ROMMachine::ROMFetcher CSROMFetcher(ROM::Request *missing = nullptr);
 
 /// Loads the binary file located at @c url and then tests for whether it matches anything