fixing docs issues

docs/reference/eddystone.md

@@ -1,28 +0,0 @@
-# Eddystone
-
-Support for Eddystone beacons.
-
-```cards
-eddystone.advertiseUrl("https://pxt.io/", 6);
-eddystone.stopAdvertising();
-```
-
-### Advanced
-
-Bluetooth beacons are used to indicate proximity to a place or object of interest. 
-Beacons use Bluetooth advertising to broadcast a small amount of data, which can be received and acted upon by anyone in range 
-with a suitable device and software, typically a smartphone and application.
-
-There are various beacon message formats, which define the way Bluetooth advertising packets are used as containers for beacon data. 
-iBeacon is Apple's beacon message format. Eddystone comes from Google.
-
-More information at https://lancaster-university.github.io/microbit-docs/ble/eddystone/
-
-### See Also
-
-[eddystone.advertiseUrl](/reference/eddystone/advertise-url),
-[eddystone.stopAdvertising](/reference/eddystone/stop-advertising),
-
-```package
-eddystone
-```

docs/reference/music/play-tone.md

@@ -28,7 +28,7 @@ music.playTone(freq, 1000)
 
 ### Using other pins
 
-Use [analogSetPitchPin](/pins/analog-set-pitch-pin) to change that pin used to generate music.
+Use [analogSetPitchPin](/reference/pins/analog-set-pitch-pin) to change that pin used to generate music.
 
 ```blocks
 pins.analogSetPitchPin(AnalogPin.P1);

docs/reference/music/ring-tone.md

@@ -34,7 +34,7 @@ basic.forever(() => {
 
 ### Using other pins
 
-Use [analogSetPitchPin](/pins/analog-set-pitch-pin) to change that pin used to generate music.
+Use [analogSetPitchPin](/reference/pins/analog-set-pitch-pin) to change that pin used to generate music.
 
 ```blocks
 pins.analogSetPitchPin(AnalogPin.P1);