diff --git a/build/fbcode_builder/CMake/RustStaticLibrary.cmake b/build/fbcode_builder/CMake/RustStaticLibrary.cmake
index ff7871267..8546fe2fb 100644
--- a/build/fbcode_builder/CMake/RustStaticLibrary.cmake
+++ b/build/fbcode_builder/CMake/RustStaticLibrary.cmake
@@ -1,3 +1,5 @@
+# Copyright (c) Facebook, Inc. and its affiliates.
+
 include(FBCMakeParseArgs)
 
 set(
@@ -286,4 +288,4 @@ function(install_rust_static_library TARGET)
     RENAME ${staticlib_output_name}
     DESTINATION ${ARG_INSTALL_DIR}
   )
-endfunction()
\ No newline at end of file
+endfunction()