diff --git a/README.md b/README.md
index 89466dac..36fb366c 100644
--- a/README.md
+++ b/README.md
@@ -98,8 +98,12 @@ You can resolve side effects such as `INSERT` and `UPDATE` statements before sim
 
 You can extract dependencies containing tables and functions by `--with_tables` and `--with_functions` options.
 
+#### With tables
+
 ![dag.dot](./samples/sample/with_all/dag.png)
 
+### With functions
+
 ![dag.dot](./samples/sample-function-dependency/with_all/dag.png)
 
 ## Parallel Execution