Fix authors heading

Author: loic-sharma

src/BaGet.UI/src/DisplayPackage/DisplayPackage.tsx

@@ -297,7 +297,7 @@ class DisplayPackage extends React.Component<IDisplayPackageProps, IDisplayPacka
             </div>
 
             <div>
-              <h1>Authors</h1>
+              <h2>Authors</h2>
 
               <p>{(!this.state.package.authors) ? 'Unknown' : this.state.package.authors}</p>
             </div>