diff --git a/README.md b/README.md
index 4a870ccfed..f0e90fc8d3 100644
--- a/README.md
+++ b/README.md
@@ -301,7 +301,8 @@ npm test -- 'playground'
 
 ### References
 
-[▶ Data Structures and Algorithms on YouTube](https://www.youtube.com/playlist?list=PLLXdhg_r2hKA7DPDsunoDZ-Z769jWn4R8)
+- [▶ Data Structures and Algorithms on YouTube](https://www.youtube.com/playlist?list=PLLXdhg_r2hKA7DPDsunoDZ-Z769jWn4R8)
+- [✍🏻 Data Structure Sketches](https://okso.app/showcase/data-structures)
 
 ### Big O Notation
 
diff --git a/src/algorithms/sorting/cocktail-shaker-sort/CocktailShakerSort.js b/src/algorithms/sorting/cocktail-shaker-sort/CocktailShakerSort.js
index 5e8e2057fe..f9cac4e0a7 100644
--- a/src/algorithms/sorting/cocktail-shaker-sort/CocktailShakerSort.js
+++ b/src/algorithms/sorting/cocktail-shaker-sort/CocktailShakerSort.js
@@ -34,7 +34,7 @@ export default class CocktailShakerSort extends Sort {
       if (swapped === false) {
         break;
       }
-      
+
       // Reset the swapped flag so that it can be used in the next stage
       swapped = false;
 
@@ -48,11 +48,11 @@ export default class CocktailShakerSort extends Sort {
           swapped = true;
         }
       }
-
+      
       // Move the start point forward by one,
       // because the item at the start point is already in its correct position.
       start += 1;
-      
+
     }
     return array;
   }
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