Using-CommLCD-NEWGAL-Engine-and-Comm-IAL-Engine.md

@@ -49,12 +49,12 @@ prototypes you need to implement for these two engines. You must
 include this header in your C source file(s), and implement all
 of the functions correctly.
 
-In the `commlcd` sample of `mg-samples` package, the file `commlcd_ops.c`
+In the `comm-engines` directory of `mg-tests` repository, the file `commlcd_ops.c`
 implements the functions for CommLCD NEWGAL engine, and the file `comminput_ops.c`
 implements the functions for Comm IAL engine:
 
-* [`commlcd_ops.c`](https://github.com/VincentWei/mg-samples/blob/master/commlcd/commlcd_ops.c)
-* [`comminput_ops.c`](https://github.com/VincentWei/mg-samples/blob/master/commlcd/comminput_ops.c)
+* [`comm-engines_ops.c`](https://github.com/VincentWei/mg-tests/blob/master/comm-engines/comm-engines_ops.c)
+* [`comminput_ops.c`](https://github.com/VincentWei/mg-tests/blob/master/comm-engines/comminput_ops.c)
 
 The former implementation does not connect to any real device; it creates
 an anonymous memory map and returns the address of the memory map as