Update README.md

Author: ss892714028

README.md

@@ -14,7 +14,7 @@
 * DFS
 * ASTAR (A*)
 
-### Breadth First Search (unweighted Dijastra)
+### Breadth First Search (unweighted Dijkstra)
 Breadth First Search is unweighted and guarantee a optimal path.
 ![BFS](https://github.com/ss892714028/Maze-PathFinder-Visualization-Python/blob/master/gifs/bfs.gif)