docs: trivial fix for anchor name

Author: waipeng

README.md

@@ -16,28 +16,22 @@
 
 # Table of Contents
 
-  - [Overview](#overview)
-  - [Module Description](#module-description)
-  - [Setup](#setup)
-    - [Set up node discovery](#set-up-node-discovery)
-    - [Set up auth.conf](#set-up-authconf)
-  - [Usage](#usage)
-    - [Multi threaded compile requests](#multi-threaded-compile-requests)
-    - [Fact search](#fact-search)
-    - [Node list](#node-list)
-    - [Changed depth](#changed-depth)
-    - [Output Report](#output-report)
-    - [Non-default PuppetDB/Configuring PuppetDB](#non-default-puppetdbconfiguring-puppetdb)
-      - [Use without PuppetDB](#use-without-puppetdb)
-    - [Non-default Puppetserver](#non-default-puppetserver)
-  - [Limitations](#limitations)
-  - [Previous Authors](#previous-authors)
-  - [Contributors](#contributors)
-  - [See also](#see-also)
-    - [Upload facts to PuppetDB](#upload-facts-to-puppetdb)
-    - [Modern fact submission](#modern-fact-submission)
-    - [complex fact submission](#complex-fact-submission)
-    - [Further documentation](#further-documentation)
+1. [Overview](#overview)
+1. [Module Description](#module-description)
+1. [Setup](#setup)
+    1. [Set up node discovery](#set-up-node-discovery)
+    1. [Set up auth.conf](#set-up-authconf)
+1. [Usage](#usage)
+    1. [Multi threaded compile requests](#multi-threaded-compile-requests)
+    1. [Fact search](#fact-search)
+    1. [Changed depth](#changed-depth)
+    1. [Output report](#output-report)
+1. [Limitations](#limitations)
+1. [Previous Authors](#previous-authors)
+1. [Contributors](#contributors)
+1. [See Also](#see-also)
+    1. [Upload facts to PuppetDB](#upload-facts-to-puppetdb)
+    1. [Modern fact submission](#modern-fact-submission)
 
 
 ## Overview