diff --git a/cc/prebuilt.go b/cc/prebuilt.go
index 966ec36ab..5ffeb3288 100644
--- a/cc/prebuilt.go
+++ b/cc/prebuilt.go
@@ -29,16 +29,20 @@ type prebuiltLinkerInterface interface {
 	prebuilt() *android.Prebuilt
 }
 
+type prebuiltLinkerProperties struct {
+
+	// a prebuilt library or binary. Can reference a genrule module that generates an executable file.
+	Srcs []string `android:"path,arch_variant"`
+
+	// Check the prebuilt ELF files (e.g. DT_SONAME, DT_NEEDED, resolution of undefined
+	// symbols, etc), default true.
+	Check_elf_files *bool
+}
+
 type prebuiltLinker struct {
 	android.Prebuilt
 
-	properties struct {
-		Srcs []string `android:"path,arch_variant"`
-
-		// Check the prebuilt ELF files (e.g. DT_SONAME, DT_NEEDED, resolution of undefined
-		// symbols, etc), default true.
-		Check_elf_files *bool
-	}
+	properties prebuiltLinkerProperties
 }
 
 func (p *prebuiltLinker) prebuilt() *android.Prebuilt {
@@ -112,6 +116,8 @@ func (p *prebuiltLibraryLinker) nativeCoverage() bool {
 	return false
 }
 
+// cc_prebuilt_library_shared installs a precompiled shared library that are
+// listed in the srcs property in the device's directory.
 func prebuiltSharedLibraryFactory() android.Module {
 	module, _ := NewPrebuiltSharedLibrary(android.HostAndDeviceSupported)
 	return module.Init()
@@ -137,6 +143,8 @@ func NewPrebuiltSharedLibrary(hod android.HostOrDeviceSupported) (*Module, *libr
 	return module, library
 }
 
+// cc_prebuilt_library_static installs a precompiled static library that are
+// listed in the srcs property in the device's directory.
 func prebuiltStaticLibraryFactory() android.Module {
 	module, _ := NewPrebuiltStaticLibrary(android.HostAndDeviceSupported)
 	return module.Init()
@@ -197,6 +205,8 @@ func (p *prebuiltBinaryLinker) link(ctx ModuleContext,
 	return nil
 }
 
+// cc_prebuilt_binary installs a precompiled executable in srcs property in the
+// device's directory.
 func prebuiltBinaryFactory() android.Module {
 	module, _ := NewPrebuiltBinary(android.HostAndDeviceSupported)
 	return module.Init()