Minor Documentation Update

README-CONAN.md

@@ -13,7 +13,7 @@ To build Exiv2 with conan, you will also need to install CMake.  https://cmake.o
 
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 ----
-### T A B L E &nbsp;&nbsp;&nbsp; O&nbsp;&nbsp;F &nbsp;&nbsp;&nbsp; C O N T E N T S
+### T A B L E _ OF _ C O N T E N T S
 
 1. [Step by Step Guide](#1)
     1. [Install conan](#1-1)

README.md

@@ -3,7 +3,7 @@
 | [![Build Status](https://travis-ci.org/Exiv2/exiv2.svg?branch=master)](https://travis-ci.org/Exiv2/exiv2) | [![Build status](https://ci.appveyor.com/api/projects/status/d6vxf2n0cp3v88al/branch/master?svg=true)](https://ci.appveyor.com/project/piponazo/exiv2-wutfp/branch/master) | [![pipeline status](https://gitlab.com/D4N/exiv2/badges/master/pipeline.svg)](https://gitlab.com/D4N/exiv2/commits/master) | [![codecov](https://codecov.io/gh/Exiv2/exiv2/branch/master/graph/badge.svg)](https://codecov.io/gh/Exiv2/exiv2) |
 
 <name id="TOC"></a>
-### T A B L E &nbsp;&nbsp;&nbsp; O&nbsp;&nbsp;F &nbsp;&nbsp;&nbsp; C O N T E N T S
+### T A B L E _ OF _ C O N T E N T S
 
 1. [Welcome to Exiv2](#1)
 2. [Building and Installing Exiv2](#2)