Fix indents of a tree

2 files changed, 13 insertions, 13 deletions

diff --git a/README.md b/README.md
index c787765..6c323e9 100644
--- a/README.md
+++ b/README.md
@@ -56,20 +56,20 @@ $ echo -n 'foo + bar * baz * 100' | vartan parse expr.json
 expr
 ├─ expr
 │  └─ term
-│      └─ factor
-│          └─ id "foo"
+│     └─ factor
+│        └─ id "foo"
 ├─ add_op "+"
 └─ term
-    ├─ term
-    │  ├─ term
-    │  │  └─ factor
-    │  │      └─ id "bar"
-    │  ├─ mul_op "*"
-    │  └─ factor
-    │      └─ id "baz"
-    ├─ mul_op "*"
-    └─ factor
-        └─ number "100"
+   ├─ term
+   │  ├─ term
+   │  │  └─ factor
+   │  │     └─ id "bar"
+   │  ├─ mul_op "*"
+   │  └─ factor
+   │     └─ id "baz"
+   ├─ mul_op "*"
+   └─ factor
+      └─ number "100"
 ```
 
 When `vartan parse` command successfully parses the input data, it prints a CST or an AST (if any).
diff --git a/driver/parser.go b/driver/parser.go
index 1e46606..e8201c1 100644
--- a/driver/parser.go
+++ b/driver/parser.go
@@ -42,7 +42,7 @@ func printTree(w io.Writer, node *Node, ruledLine string, childRuledLinePrefix s
 
 		var prefix string
 		if i >= num-1 {
-			prefix = "    "
+			prefix = "   "
 		} else {
 			prefix = "│  "
 		}