diff --git a/build/shared/lib/keywords.txt b/build/shared/lib/keywords.txt
index 649bbcbe8..fbf8f3943 100644
--- a/build/shared/lib/keywords.txt
+++ b/build/shared/lib/keywords.txt
@@ -150,10 +150,12 @@ digitalRead	KEYWORD2	DigitalRead
 interrupts	KEYWORD2
 millis	KEYWORD2	Millis
 micros	KEYWORD2	Micros
-noInterrupts	KEYWORD2
+noInterrupts	KEYWORD2	NoInterrupts
+noTone	KEYWORD2	NoTone
 pinMode	KEYWORD2	PinMode
 pulseIn	KEYWORD2	PulseIn
 shiftOut	KEYWORD2	ShiftOut
+tone	KEYWORD2	Tone
 
 Serial	KEYWORD3	Serial
 Serial1	KEYWORD3	Serial
diff --git a/build/shared/reference.zip b/build/shared/reference.zip
index f1dd44524..4f9665892 100644
Binary files a/build/shared/reference.zip and b/build/shared/reference.zip differ