diff --git a/cc/library.go b/cc/library.go
index 23556b096..7dc925b12 100644
--- a/cc/library.go
+++ b/cc/library.go
@@ -58,6 +58,7 @@ type LibraryProperties struct {
 
 	Static_ndk_lib *bool
 
+	// Generate stubs to make this library accessible to APEXes.
 	Stubs struct {
 		// Relative path to the symbol map. The symbol map provides the list of
 		// symbols that are exported for stubs variant of this library.