Update README.md

Author: dbrizov

README.md

@@ -10,8 +10,8 @@ BFS, Greedy Best-First Search, Dijkstra and A* path finding algorithms visualize
 ### Dijkstra
 ![dijkstra](https://github.com/dbrizov/Unity-PathFindingAlgorithms/blob/master/Assets/Gifs/dijkstra.gif)
 
-### A* (euclidean distance heuristic)
+### A* (Euclidean Distance Heuristic)
 ![astar](https://github.com/dbrizov/Unity-PathFindingAlgorithms/blob/master/Assets/Gifs/astar.gif)
 
-### A* (with aggressive heuristic)
+### A* (With Aggressive Heuristic)
 ![astar_aggressive](https://github.com/dbrizov/Unity-PathFindingAlgorithms/blob/master/Assets/Gifs/astar_aggressive.gif)