diff --git a/README.md b/README.md
index 2833ecb..06b703b 100644
--- a/README.md
+++ b/README.md
@@ -70,7 +70,7 @@ However, features adding should be used carefully, as adding more features does
 |:--:|
 |**Figure 8**: Overall image preprocessing|
 
-#Evaluation Algorithm
+# Evaluation Algorithm
 As the ground truth and the segmented image may have different number of clusters, it is necessary to create a cluster matching algorithm 
 before evaluating the segmenting performance. The overall algorithm is as follow: