Update specific_component_on_colored_bg.md

Update of MD file content

Author: CyriaqueBillard

components/navigation/link/link/dsm/guideline/specific_component_on_colored_bg.md

@@ -1,5 +1,5 @@
 This variant ensures a sufficiently high level of accessibility when the component is used on a background that is "out of control".
 
-**To invert color**
-• In light mode: For a black finish
-• In dark mode: For a white finish
+**To invert colour**
+* In light mode: For a black finish
+* In dark mode: For a white finish