diff --git a/README.md b/README.md
index 2a4a09e..7448d8c 100644
--- a/README.md
+++ b/README.md
@@ -6,7 +6,7 @@ analysis](http://en.wikipedia.org/wiki/Social_network_analysis) algorithms.
 These algorithms are implemented on mathematical graphs using the
 [JGraphT](https://github.com/jgrapht/jgrapht) library.
 
-#### Currently supported
+#### Currently supported -:
 
 Augmented [BFS](http://en.wikipedia.org/wiki/Breadth-first_search),
 [DFS](http://en.wikipedia.org/wiki/Depth-first_search) and
@@ -18,6 +18,6 @@ used to compute:
 * [Strahler stream order](http://en.wikipedia.org/wiki/Strahler_number) (for
   mathematical trees)
 
-#### Graph types
+#### Graph types -:
 The underlying graph may be directed, edge-reversed or undirected, and edges may
 or may not have weights.