diff --git a/README.md b/README.md
index 8b936be..0f4230b 100644
--- a/README.md
+++ b/README.md
@@ -100,11 +100,11 @@ Copy the examples into your `~/.fis-gtm/V6.3-003A_x86_64/r` folder and run:
 
 ## 1. The Very Basics
 
-### [`HelloWorld.mps`](https://github.com/programarivm/mumps-examples/blob/master/01-the-very-basics/HelloWorld.mps)
+### [`HelloWorld.m`](https://github.com/programarivm/mumps-examples/blob/master/01-the-very-basics/HelloWorld.m)
 
     Hello world
 
-### [`HelloWorldInLoop.mps`](https://github.com/programarivm/mumps-examples/blob/master/01-the-very-basics/HelloWorldInLoop.mps)
+### [`HelloWorldInLoop.m`](https://github.com/programarivm/mumps-examples/blob/master/01-the-very-basics/HelloWorldInLoop.m)
 
     Hello world
     Hello world
@@ -117,7 +117,7 @@ Copy the examples into your `~/.fis-gtm/V6.3-003A_x86_64/r` folder and run:
     Hello world
     Hello world
 
-### [`HelloWorldInAnotherLoop.mps`](https://github.com/programarivm/mumps-examples/blob/master/01-the-very-basics/HelloWorldInAnotherLoop.mps)
+### [`HelloWorldInAnotherLoop.m`](https://github.com/programarivm/mumps-examples/blob/master/01-the-very-basics/HelloWorldInAnotherLoop.m)
 
     Hello world
     Hello world
@@ -130,7 +130,7 @@ Copy the examples into your `~/.fis-gtm/V6.3-003A_x86_64/r` folder and run:
     Hello world
     Hello world
 
-### [`HelloWorldInNestedLoop.mps`](https://github.com/programarivm/mumps-examples/blob/master/01-the-very-basics/HelloWorldInNestedLoop.mps)
+### [`HelloWorldInNestedLoop.m`](https://github.com/programarivm/mumps-examples/blob/master/01-the-very-basics/HelloWorldInNestedLoop.m)
 
     1:1 Hello world
     1:2 Hello world
@@ -143,7 +143,7 @@ Copy the examples into your `~/.fis-gtm/V6.3-003A_x86_64/r` folder and run:
     2:4 Hello world
     2:5 Hello world
 
-### [`ArithmeticOperations.mps`](https://github.com/programarivm/mumps-examples/blob/master/01-the-very-basics/ArithmeticOperations.mps)
+### [`ArithmeticOperations.m`](https://github.com/programarivm/mumps-examples/blob/master/01-the-very-basics/ArithmeticOperations.m)
 
     There were 7 apples, 8 pears and 9 oranges,
     a total of 24 fruits in a basket.
@@ -152,7 +152,7 @@ Copy the examples into your `~/.fis-gtm/V6.3-003A_x86_64/r` folder and run:
     Now there are 21 fruits in the basket,
     the average fruit value is 7.
 
-### [`Arrays.mps`](https://github.com/programarivm/mumps-examples/blob/master/01-the-very-basics/Arrays.mps)
+### [`Arrays.m`](https://github.com/programarivm/mumps-examples/blob/master/01-the-very-basics/Arrays.m)
 
     Approaching the solar system:
     Mercury
@@ -181,7 +181,7 @@ Copy the examples into your `~/.fis-gtm/V6.3-003A_x86_64/r` folder and run:
 
 ## 2. User Defined Functions
 
-### [`FactorialByReference.mps`](https://github.com/programarivm/mumps-examples/blob/master/02-user-defined-functions/FactorialByReference.mps)
+### [`FactorialByReference.m`](https://github.com/programarivm/mumps-examples/blob/master/02-user-defined-functions/FactorialByReference.m)
 
     Enter n: 5
     5! = 120