Review comments

Author: evedon

docs/reference/bare_metal/microlib.md

@@ -5,7 +5,7 @@ Microlib is an alternative library to the default C library. It is intended for
 These applications do not run under an operating system. More information can be found [here](http://infocenter.arm.com/help/index.jsp?topic=/com.arm.doc.dui0808e/chr1358938937854.html).
 
 ## Differences between ARM C standard library and microlib
-There are a number of differences between microlib and the default C library. Follow [this link](http://infocenter.arm.com/help/index.jsp?topic=/com.arm.doc.dui0808e/chr1358938938431.html) for a complete list.
+There are a number of differences between microlib and the default C library. Follow [this link](https://developer.arm.com/docs/100073/0613/the-arm-c-micro-library/differences-between-microlib-and-the-default-c-library) for a complete list.
 
 In particular:
 * Microlib has no reentrant variant. Microlib does not provide mutex locks to guard against code that is not thread safe.
@@ -20,7 +20,7 @@ By default, only a few targets have been tested with microlib. If your target ha
       * If yes then replace the `TOOLCHAIN_ARM_STD` scatter file with `../TOOLCHAIN_ARM_MICRO/microlib_scatter_file.sct`
       * If no then you need to update the scatter file to use the two region memory model. More information on the two region memory model can be found [here](https://github.com/ARMmbed/mbed-os/blob/master/docs/design-documents/platform/memory-model/ram_memory_model.md#proposed-ram-memory-model). An example of a scatter file updated for the two region memory model can be found [here](https://github.com/ARMmbed/mbed-os/pull/9571/files?file-filters%5B%5D=.sct#diff-0ce0bec61a6d5ac63ab5ae3afcfe7119).
 
-Once you have completed the steps above, add `small` to the `supported_c_lib` parameter for your target in `targets.json`:
+Once you have completed the steps above, add `small` to the `supported_c_libs` parameter for your target in `targets.json`:
 ```
 "supported_c_lib": {
     "ARM": ["std", "small"],
@@ -43,7 +43,7 @@ You can build with microlib by creating a `mbed_app.json` with the following con
 ```
 
 ### Note on uARM toolchain
-The uARM toolchain is the ARMCC toolchain with the ARM microlib, the C micro-library. This toolchain will be deprecated after 5.15.
+The uARM toolchain is the ARMC6 toolchain with the ARM microlib, the C micro-library. This toolchain will be deprecated after 5.15.
 
 ### Note on bare metal