Update description for .NET plugin (#1608)

Author: Vassiliy-Kudryashov

utbot-rider/src/main/resources/META-INF/plugin.xml

@@ -8,15 +8,16 @@
 
     <description>
         <![CDATA[
-        Automated unit test generation tool for .NET assemblies.
+        Automated unit test generation tool for .NET code.
         <ul>
             <li>Generating ready-to-use test cases with method bodies and inputs</li>
             <li>Maximizing branch coverage in regression suite while keeping the number of tests at minimum</li>
             <li>Capable to find deeply hidden code defects and express them as tests</li>
             <li>Applicable to LINQ syntax and complex generics</li>
             <li>Supporting .NET Framework, .NET Core, .NET 5, and .NET 6</li>
-            <li>Powered by <a href="https://github.com/VSharp-team/VSharp">V#</a> – the custom symbolic execution engine</li>
+            <li>Powered by <a href="https://github.com/VSharp-team/VSharp">V#</a> &mdash; the custom symbolic execution engine</li>
         </ul>
+        <br/>
         Try UnitTestBot .NET <a href="https://www.utbot.org/demo">online demo</a> to see how it generates tests for your code in real time.
         ]]>
     </description>