diff --git a/Graph/.DS_Store b/Graph/.DS_Store
deleted file mode 100644
index 92db3084d..000000000
Binary files a/Graph/.DS_Store and /dev/null differ
diff --git a/Graph/BFS.cpp b/graph/BFS.cpp
similarity index 100%
rename from Graph/BFS.cpp
rename to graph/BFS.cpp
diff --git a/Graph/DFS.cpp b/graph/DFS.cpp
similarity index 100%
rename from Graph/DFS.cpp
rename to graph/DFS.cpp
diff --git a/Graph/DFS_with_stack.cc b/graph/DFS_with_stack.cc
similarity index 100%
rename from Graph/DFS_with_stack.cc
rename to graph/DFS_with_stack.cc
diff --git a/Graph/Dijkstra.cpp b/graph/Dijkstra.cpp
similarity index 100%
rename from Graph/Dijkstra.cpp
rename to graph/Dijkstra.cpp
diff --git a/Graph/Kruskal.cpp b/graph/Kruskal.cpp
similarity index 100%
rename from Graph/Kruskal.cpp
rename to graph/Kruskal.cpp
diff --git a/Graph/Topological-Sort.cpp b/graph/Topological-Sort.cpp
similarity index 100%
rename from Graph/Topological-Sort.cpp
rename to graph/Topological-Sort.cpp
diff --git a/Graph/kosaraju.cpp b/graph/kosaraju.cpp
similarity index 100%
rename from Graph/kosaraju.cpp
rename to graph/kosaraju.cpp
diff --git a/Graph/lca.cpp b/graph/lca.cpp
similarity index 100%
rename from Graph/lca.cpp
rename to graph/lca.cpp