diff --git a/README.md b/README.md
index 9503657..4332e28 100644
--- a/README.md
+++ b/README.md
@@ -123,7 +123,7 @@ node *matched_node = r3_tree_match_entry(n, entry);
 
 
 
-**Release Memroy**
+**Release Memory**
 
 To release the memory, you may call `r3_tree_free(node *tree)` to release the whole tree structure, 
 `node*`, `edge*`, `route*` objects that were inserted into the tree will be freed.