Update README.md

Author: christiaanwesterbeek

README.md

@@ -6,7 +6,7 @@ Collaborators are welcome to add and improve snippets for directives. All snippe
 
 ## Install
 
-### Option 1 Package Control
+### Option 1: Package Control
 
 On Mac press <kbd>Cmd</kbd>+<kbd>Shift</kbd>+<kbd>P</kbd> or on PC press <kbd>Ctrl</kbd>+<kbd>Shift</kbd>+<kbd>P</kbd>. Then type 'Install' then press <kbd>enter</kbd> to see a list of packages. Search for 'Angular Material Snippets' then press <kbd>enter</kbd> to install.