Style-Guide.md

@@ -1,6 +1,6 @@
 ## Languages Used
 
-All game code is written to target C# 8.0. Auxiliary tools are written to target Python 3 or unix shell.
+All game code is written to target C# 8.0. Auxiliary tools are written to target Python 3 or Unix shell.
 
 ## C# Style Guide
 
@@ -54,6 +54,12 @@ if (LongMethodName() && reasonablyLengthyLocalVariable &&
 }
 ```
 
+If a URL is too long to fit on a single line, make sure it's on a line by itself after a //-style comment, like:
+```csharp
+// Good background reading, eventually:
+// https://gamasutra.com/blogs/ItayKeren/20150511/243083/Scroll_Back_The_Theory_and_Practice_of_Cameras_in_SideScrollers.php
+```
+
 ### Names
 
 Methods & functions are named with an initial capital letter, as is common in other C# code (`DoSomething()`, not `doSomething()`). So are public fields of classes and structs (including properties).