Update README

README.md

@@ -10,19 +10,17 @@
 
 ## Table of contents
 
-- [ukebox](#ukebox)
-  - [Table of contents](#table-of-contents)
-  - [Features](#features)
-  - [Installation](#installation)
-  - [Usage](#usage)
-    - [Chord chart lookup](#chord-chart-lookup)
-    - [Chord name lookup](#chord-name-lookup)
-    - [Voice leading](#voice-leading)
-  - [Supported chord types](#supported-chord-types)
-  - [Development](#development)
-    - [Pre-commit hooks](#pre-commit-hooks)
-  - [License](#license)
-  - [Contribution](#contribution)
+- [Features](#features)
+- [Installation](#installation)
+- [Usage](#usage)
+  - [Chord chart lookup](#chord-chart-lookup)
+  - [Chord name lookup](#chord-name-lookup)
+  - [Voice leading](#voice-leading)
+- [Supported chord types](#supported-chord-types)
+- [Development](#development)
+  - [Pre-commit hooks](#pre-commit-hooks)
+- [License](#license)
+- [Contribution](#contribution)
 
 ## Features