Update How-To.md

jonsequitur · web-flow · commit 957b9b5d84e4 · 2020-07-13T10:59:53.000-07:00
diff --git a/docs/How-To.md b/docs/How-To.md
@@ -4,7 +4,7 @@
 
 Both commands and options support [aliases](Concepts#Aliases). You can add an alias to an option like this:
 
-```csharp
+``` csharp
 var option = new Option("--verbose");
 option.AddAlias("-v");
 ```
