diff --git a/README.md b/README.md
index 9708a6ab6..b5849d517 100644
--- a/README.md
+++ b/README.md
@@ -8,12 +8,12 @@
 
 ## Contents
 
-* [Even or odd number](even-or-odd-number.md)
-* [Greatest common divisor gcd](greatest-common-divisor-gcd.md)
-* [RGB to hexadecimal](RGB-to-hexadecimal.md)
-* [Sort characters in string alphabetical](sort-characters-in-string-alphabetical.md)
-* [Sum of array of numbers](sum-of-array-of-numbers.md)
-* [Unique values of array](unique-values-of-array.md)
+* [Even or odd number](#even-or-odd-number)
+* [Greatest common divisor gcd](#greatest-common-divisor-gcd)
+* [RGB to hexadecimal](#RGB-to-hexadecimal)
+* [Sort characters in string alphabetical](#sort-characters-in-string-alphabetical)
+* [Sum of array of numbers](#sum-of-array-of-numbers)
+* [Unique values of array](#unique-values-of-array)
 
 ### Even or odd number
 
diff --git a/scripts/builder.js b/scripts/builder.js
index 9100db79b..dfa15db0a 100644
--- a/scripts/builder.js
+++ b/scripts/builder.js
@@ -28,7 +28,7 @@ catch (err){
 try {
   output += `${startPart+'\n'}`;
   for(var snippet of Object.entries(snippets))
-    output += `* [${snippet[0][0].toUpperCase() + snippet[0].replace(/-/g,' ').slice(1,snippet[0].length-3)}](${snippet[0]})\n`
+    output += `* [${snippet[0][0].toUpperCase() + snippet[0].replace(/-/g,' ').slice(1,snippet[0].length-3)}](#${snippet[0].slice(0,snippet[0].length-3)})\n`
   output += '\n';
   for(var snippet of Object.entries(snippets))
     output += `${snippet[1]+'\n'}`;