diff --git a/data_structures/dsu_union_rank.cpp b/data_structures/dsu_union_rank.cpp
index 972212085..6d8a808d2 100644
--- a/data_structures/dsu_union_rank.cpp
+++ b/data_structures/dsu_union_rank.cpp
@@ -139,7 +139,7 @@ static void test1() {
     d.unionSet(5,7);
     d.unionSet(9,10);
     d.unionSet(2,10);
-    ///keeping track of the changes using parent pointers
+    // keeping track of the changes using parent pointers
     vector<uint64_t> ans = {7,5};
     for(uint64_t i=0;i<ans.size();i++){
         assert(d.getParents(7).at(i) == ans[i]); // makes sure algorithm works fine