diff --git a/DIRECTORY.md b/DIRECTORY.md
index 76fa1154d..3ad77d592 100644
--- a/DIRECTORY.md
+++ b/DIRECTORY.md
@@ -78,8 +78,8 @@
   * [Connected Components](https://github.com/TheAlgorithms/C-Plus-Plus/blob/master/graph/connected_components.cpp)
   * [Connected Components With Dsu](https://github.com/TheAlgorithms/C-Plus-Plus/blob/master/graph/connected_components_with_dsu.cpp)
   * [Cycle Check Directed Graph](https://github.com/TheAlgorithms/C-Plus-Plus/blob/master/graph/cycle_check_directed_graph.cpp)
-  * [Dfs](https://github.com/TheAlgorithms/C-Plus-Plus/blob/master/graph/dfs.cpp)
-  * [Dfs With Stack](https://github.com/TheAlgorithms/C-Plus-Plus/blob/master/graph/dfs_with_stack.cpp)
+  * [Depth-First Search](https://github.com/TheAlgorithms/C-Plus-Plus/blob/master/graph/depth_first_search.cpp)
+  * [Depth-First Search With Stack](https://github.com/TheAlgorithms/C-Plus-Plus/blob/master/graph/depth_first_search_with_stack.cpp)
   * [Dijkstra](https://github.com/TheAlgorithms/C-Plus-Plus/blob/master/graph/dijkstra.cpp)
   * [Hamiltons Cycle](https://github.com/TheAlgorithms/C-Plus-Plus/blob/master/graph/hamiltons_cycle.cpp)
   * [Kosaraju](https://github.com/TheAlgorithms/C-Plus-Plus/blob/master/graph/kosaraju.cpp)
diff --git a/graph/dfs.cpp b/graph/depth_first_search.cpp
similarity index 100%
rename from graph/dfs.cpp
rename to graph/depth_first_search.cpp
diff --git a/graph/dfs_with_stack.cpp b/graph/depth_first_search_with_stack.cpp
similarity index 100%
rename from graph/dfs_with_stack.cpp
rename to graph/depth_first_search_with_stack.cpp