docs: fix readme sub headings (#50)

Author: j-a-y-s-e-a

README.md

@@ -281,13 +281,13 @@ Most of the key bindings revolve around a <kbd>SUPER</kbd> and <kbd>SUPER_REV</k
 | <kbd>SUPER_REV</kbd>+<kbd>[</kbd> | Move Tab Left  |
 | <kbd>SUPER_REV</kbd>+<kbd>]</kbd> | Move Tab Right |
 
-##### Tabs: Title
+##### Tabs: Toggle Tab-bar
 
 | Keys                          | Action         |
 | ----------------------------- | -------------- |
 | <kbd>SUPER</kbd>+<kbd>9</kbd> | Toggle tab bar |
 
-##### Tabs: Toggle Tab-bar
+##### Tabs: Title
 
 | Keys                              | Action             |
 | --------------------------------- | ------------------ |