Updated VS Code Instructions (markdown)

VS-Code-Instructions.md

@@ -27,6 +27,7 @@ To achieve different weights add one of the following (verified on Mac):
     "editor.fontWeight": "300" // Light
     "editor.fontWeight": "400" // Regular
     "editor.fontWeight": "500" // Medium
-    "editor.fontWeight": "600" // Retina, Bold font must not be installed!
     "editor.fontWeight": "600" // Bold
-```
+```
+
+To use Retina weight, change Font name to `FiraCode-Retina` (exactly that, no spaces).