diff --git a/libraries/AP_RC/keywords.txt b/libraries/AP_RC/keywords.txt
new file mode 100644
index 0000000000..6d1f6c13ae
--- /dev/null
+++ b/libraries/AP_RC/keywords.txt
@@ -0,0 +1,4 @@
+AP_RC	KEYWORD1
+init KEYWORD2
+set_ch_pwm	KEYWORD2
+read_pwm	KEYWORD2