spelling: contrast

Signed-off-by: Josh Soref <2119212+jsoref@users.noreply.github.com>

view/theme/smoothly/css/typography.css

@@ -244,7 +244,7 @@ a {
 
 a:active { outline: none; }
 
-/* (en) maximum constrast for tab focus - change with great care */
+/* (en) maximum contrast for tab focus - change with great care */
 /* (en) Maximaler Kontrast für Tab Focus - Ändern Sie diese Regel mit Bedacht */
 a:hover,
 a:focus {