Updated example code language

LeticiaErrandonea · Oct 23, 2017 · fb92998 · fb92998
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diff --git a/src/pages/algorithms/sorting-algorithms/insertion-sort/index.md b/src/pages/algorithms/sorting-algorithms/insertion-sort/index.md
@@ -97,7 +97,7 @@ The below algorithm is slightly optimized version to avoid swapping `key` elemen
 ```
 A quick implementation in Swift is as shown below :
 
-```
+```swift
   var array = [8, 3, 5, 1, 4, 2]
 
   func insertionSort(array:inout Array<Int>) -> Array<Int>{