added a description to bubble-sort and cocktail-shaker-sort
diff --git a/Projects.md b/Projects.md
index 426dda1..46ee2df 100644
--- a/Projects.md
+++ b/Projects.md
@@ -1441,8 +1441,8 @@
   * [sortutil](https://github.com/cznic/sortutil) - Utilities supplemental to the Go standard "sort" package
   * [tarjan](http://github.com/looplab/tarjan) - Graph loop detection function based on Tarjan's algorithm
   * [timsort](https://github.com/psilva261/timsort) - Fast, stable sort, uses external comparator or sort.Interface
-  * [bubble-sort](https://git.darknebu.la/Algorithms/sort/src/branch/master/bubble-sort)
-  * [cocktail-shaker-sort](https://git.darknebu.la/Algorithms/sort/src/branch/master/cocktail-shaker-sort)
+  * [bubble-sort](https://git.darknebu.la/Algorithms/sort/src/branch/master/bubble-sort) - minimal implementation of the [bubble-sort algorithm](https://en.wikipedia.org/wiki/Bubble_sort)
+  * [cocktail-shaker-sort](https://git.darknebu.la/Algorithms/sort/src/branch/master/cocktail-shaker-sort) - minimal implementation of the [cocktail-shaker-sort algorithm](https://en.wikipedia.org/wiki/Cocktail_shaker_sort)
 
 ## Source Code Management