diff --git a/data_structures/dsu_path_compression.cpp b/data_structures/dsu_path_compression.cpp
index a5c0aec33..022e632a7 100644
--- a/data_structures/dsu_path_compression.cpp
+++ b/data_structures/dsu_path_compression.cpp
@@ -184,7 +184,7 @@ static void test1() {
  * @returns void
  */
 static void test2() {
-    // the minimum, maximum, and size of the set 
+    // the minimum, maximum, and size of the set
     uint64_t n = 10;  ///< number of items
     dsu d(n + 1);     ///< object of class disjoint sets
     // set 1