diff --git a/subjects/quadchecker/README.md b/subjects/quadchecker/README.md
index 809e3911..74a1577d 100644
--- a/subjects/quadchecker/README.md
+++ b/subjects/quadchecker/README.md
@@ -1,10 +1,10 @@
-## quadChecker
+## quadchecker
 
 ### Instructions
 
 This raid is based on the `quad` functions.
 
-Create a program `quadChecker` that takes a `string` as an argument and displays the name of the matching `quad` and its dimensions.
+Create a program `quadchecker` that takes a `string` as an argument and displays the name of the matching `quad` and its dimensions.
 
 - If the argument is not a `raid` the program should print `Not a Raid function`.
 
@@ -17,46 +17,46 @@ Create a program `quadChecker` that takes a `string` as an argument and displays
 - If it's `quadA`
 
 ```console
-student@ubuntu:~/[[ROOT]]/quadChecker$ ls -l
+student@ubuntu:~/[[ROOT]]/quadchecker$ ls -l
 -rw-r--r-- 1 student student  nov 23 14:30 main.go
--rwxr-xr-x 1 student student  nov 23 19:18 quadChecker
+-rwxr-xr-x 1 student student  nov 23 19:18 quadchecker
 -rwxr-xr-x 1 student student  nov 23 19:50 quadA
 -rwxr-xr-x 1 student student  nov 23 19:50 quadB
 -rwxr-xr-x 1 student student  nov 23 19:50 quadC
 -rwxr-xr-x 1 student student  nov 23 19:50 quadD
 -rwxr-xr-x 1 student student  nov 23 19:50 quadE
-student@ubuntu:~/[[ROOT]]/quadChecker$ ./quadA 3 3 | ./quadChecker
+student@ubuntu:~/[[ROOT]]/quadchecker$ ./quadA 3 3 | ./quadchecker
 [quadA] [3] [3]
-student@ubuntu:~/[[ROOT]]/quadChecker$
-student@ubuntu:~/[[ROOT]]/quadChecker$
-student@ubuntu:~/[[ROOT]]/quadChecker$
-student@ubuntu:~/[[ROOT]]/quadChecker$
+student@ubuntu:~/[[ROOT]]/quadchecker$
+student@ubuntu:~/[[ROOT]]/quadchecker$
+student@ubuntu:~/[[ROOT]]/quadchecker$
+student@ubuntu:~/[[ROOT]]/quadchecker$
 ```
 
 - If it's `quadC 1 1` :
 
 ```console
-student@ubuntu:~/[[ROOT]]/quadChecker$ ./quadC 1 1
+student@ubuntu:~/[[ROOT]]/quadchecker$ ./quadC 1 1
 A
-student@ubuntu:~/[[ROOT]]/quadChecker$ ./quadD 1 1
+student@ubuntu:~/[[ROOT]]/quadchecker$ ./quadD 1 1
 A
-student@ubuntu:~/[[ROOT]]/quadChecker$ ./quadE 1 1
+student@ubuntu:~/[[ROOT]]/quadchecker$ ./quadE 1 1
 A
-student@ubuntu:~/[[ROOT]]/quadChecker$ ./quadC 1 1 | ./quadChecker
+student@ubuntu:~/[[ROOT]]/quadchecker$ ./quadC 1 1 | ./quadchecker
 [quadC] [1] [1] || [quadD] [1] [1] || [quadE] [1] [1]
-student@ubuntu:~/[[ROOT]]/quadChecker$
+student@ubuntu:~/[[ROOT]]/quadchecker$
 ```
 
 - If it's `quadC 1 2` :
 
 ```console
-student@ubuntu:~/[[ROOT]]/quadChecker$ ./quadE 1 2
+student@ubuntu:~/[[ROOT]]/quadchecker$ ./quadE 1 2
 A
 C
-student@ubuntu:~/[[ROOT]]/quadChecker$ ./quadC 1 2
+student@ubuntu:~/[[ROOT]]/quadchecker$ ./quadC 1 2
 A
 C
-student@ubuntu:~/[[ROOT]]/quadChecker$ ./quadE 1 2 | ./quadChecker
+student@ubuntu:~/[[ROOT]]/quadchecker$ ./quadE 1 2 | ./quadchecker
 [quadC] [1] [2] || [quadE] [1] [2]
-student@ubuntu:~/[[ROOT]]/quadChecker$
+student@ubuntu:~/[[ROOT]]/quadchecker$
 ```
diff --git a/subjects/quadchecker/audit/README.md b/subjects/quadchecker/audit/README.md
index cd91b065..0a240c63 100644
--- a/subjects/quadchecker/audit/README.md
+++ b/subjects/quadchecker/audit/README.md
@@ -1,6 +1,6 @@
 #### Quadrangle Checker
 
-##### Try running the program: `"./quadA 3 3 | ./quadChecker"`
+##### Try running the program: `"./quadA 3 3 | ./quadchecker"`
 
 ```
 [quadA] [3] [3]
@@ -8,7 +8,7 @@
 
 ###### Does the program returns the value above?
 
-##### Try running the program: `"./quadB 3 3 | ./quadChecker"`
+##### Try running the program: `"./quadB 3 3 | ./quadchecker"`
 
 ```
 [quadB] [3] [3]
@@ -16,7 +16,7 @@
 
 ###### Does the program returns the value above?
 
-##### Try running the program: `"./quadC 1 1 | ./quadChecker"`
+##### Try running the program: `"./quadC 1 1 | ./quadchecker"`
 
 ```
 [quadC] [1] [1] || [quadD] [1] [1] || [quadE] [1] [1]
@@ -24,7 +24,7 @@
 
 ###### Does the program returns the value above?
 
-##### Try running the program: `"./quadE 1 2 | ./quadChecker"`
+##### Try running the program: `"./quadE 1 2 | ./quadchecker"`
 
 ```
 [quadC] [1] [2] || [quadE] [1] [2]
@@ -32,7 +32,7 @@
 
 ###### Does the program returns the value above?
 
-##### Try running the program: `"./quadE 2 1 | ./quadChecker"`
+##### Try running the program: `"./quadE 2 1 | ./quadchecker"`
 
 ```
 [quadD] [2] [1] || [quadE] [2] [1]
@@ -40,7 +40,7 @@
 
 ###### Does the program returns the value above?
 
-##### Try running the program: `"./quadC 2 1 | ./quadChecker"`
+##### Try running the program: `"./quadC 2 1 | ./quadchecker"`
 
 ```
 [quadC] [2] [1]
@@ -48,7 +48,7 @@
 
 ###### Does the program returns the value above?
 
-##### Try running the program: `"./quadD 1 2 | ./quadChecker"`
+##### Try running the program: `"./quadD 1 2 | ./quadchecker"`
 
 ```
 [quadD] [1] [2]
@@ -56,7 +56,7 @@
 
 ###### Does the program returns the value above?
 
-##### Try running the program: `"./quadE 1 1 | ./quadChecker"`
+##### Try running the program: `"./quadE 1 1 | ./quadchecker"`
 
 ```
 [quadC] [1] [1] || [quadD] [1] [1] || [quadE] [1] [1]
@@ -64,7 +64,7 @@
 
 ###### Does the program returns the value above?
 
-##### Try running the program: `"echo 0 0 | ./quadChecker"`
+##### Try running the program: `"echo 0 0 | ./quadchecker"`
 
 ```
 Not a Raid function