fixing broken links in docs

docs/projects/inchworm/servo.md

@@ -41,7 +41,7 @@ Using the cutting pliers, cut out the dark plastic connector.
 
 Using the plier or a wire stripper, strip the plastic from the cables.
 
-![](/static/mb/projects/inchworm/servo2.jpg)
+![](/static/mb/projects/inchworm/servotrim.jpg)
 
 ## Step 3: threading the servo cablers
 

docs/reference/bluetooth/advertise-uid-buffer.md

@@ -25,7 +25,7 @@ bluetooth.advertiseUidBuffer(pins.createBuffer(16), 7, true);
 
 * ``buffer`` - a 16 bytes buffer containing the namespace (first 10 bytes) and instance (last 6 bytes).
 * ``power`` - a [number](/reference/types/number) representing the power level between 0 (short) and 7 (maximum range).
-* ``connectable`` - a [boolean](/reference/type/boolean) indicating whether or not the micro:bit should accept connections. 
+* ``connectable`` - a [boolean](/blocks/logic/boolean) indicating whether or not the micro:bit should accept connections. 
 
 
 ## See Also

docs/reference/bluetooth/advertise-uid.md

@@ -26,7 +26,7 @@ bluetooth.advertiseUid(42, 1, 7, true);
 * ``namespace`` last 4 bytes of the namespace uid (6 to 9)
 * ``instance`` last 4 bytes of the instance (2 to 5)
 * ``power`` - a [number](/reference/types/number) representing the power level between 0 (short) and 7 (maximum range).
-* ``connectable`` - a [boolean](/reference/type/boolean) indicating whether or not the micro:bit should accept connections. 
+* ``connectable`` - a [boolean](/blocks/logic/boolean) indicating whether or not the micro:bit should accept connections. 
 
 ## Encoding
 

docs/reference/bluetooth/advertise-url.md

@@ -25,7 +25,7 @@ bluetooth.advertiseUrl("https://pxt.microbit.org/", 7, true);
 
 * ``url`` - a [string](/reference/types/string) containing the URL to broadcast, at most 17 characters long, excluding the protocol (eg: ``https://``) which gets encoded as 1 byte.
 * ``power`` - a [number](/reference/types/number) representing the power level between 0 (short) and 7 (maximum range).
-* ``connectable`` - a [boolean](/reference/type/boolean) indicating whether or not the micro:bit should accept connections. 
+* ``connectable`` - a [boolean](/blocks/logic/boolean) indicating whether or not the micro:bit should accept connections. 
 
 ### Example: Broadcast a secret code