Merge pull request #18 from Jorropo/patch-1

Add a link in README.md

Author: davetcc

README.md

@@ -30,7 +30,7 @@ Importantly, any sketch that worked on IoAbstraction task manager will work with
 | AVR       | Uno, Mega Mighty  | Supported | Interrupt  |
 | nRF52840  | Nano BLE          | Supported | CAS locking|
 
-Note: if you are using a bare-metal mbed build (non-RTOS) on platformIO, for the moment please add an extra build flag: `PIO_NEEDS_RTOS_WORKAROUND` as a short term fix while a long term solution is determined. See issue #17.
+Note: if you are using a bare-metal mbed build (non-RTOS) on platformIO, for the moment please add an extra build flag: `PIO_NEEDS_RTOS_WORKAROUND` as a short term fix while a long term solution is determined. See issue [#17](https://github.com/davetcc/TaskManagerIO/issues/17).
 
 ### Threading key: