diff --git a/README.md b/README.md
index 6f9aa29..9235c11 100644
--- a/README.md
+++ b/README.md
@@ -38,14 +38,14 @@ n = r3_tree_create(10);
 int route_data = 3;
 
 // insert the route path into the router tree
-r3_tree_insert_path(n,  "/bar", &route_data ); // ignore the length of path
+r3_tree_insert_path(n, "/bar", &route_data); // ignore the length of path
 
-r3_tree_insert_pathl(n, "/zoo"       , strlen("/zoo")       , &route_data );
-r3_tree_insert_pathl(n, "/foo/bar"   , strlen("/foo/bar")   , &route_data );
+r3_tree_insert_pathl(n, "/zoo", strlen("/zoo"), &route_data );
+r3_tree_insert_pathl(n, "/foo/bar", strlen("/foo/bar"), &route_data );
 
-r3_tree_insert_pathl(n , "/post/{id}" , strlen("/post/{id}") , &route_data );
+r3_tree_insert_pathl(n ,"/post/{id}", strlen("/post/{id}") , &route_data );
 
-r3_tree_insert_pathl(n , "/user/{id:\\d+}" , strlen("/user/{id:\\d+}") , NULL, &route_data );
+r3_tree_insert_pathl(n, "/user/{id:\\d+}", strlen("/user/{id:\\d+}"), &route_data );
 
 // let's compile the tree!
 r3_tree_compile(n);