[DURACOM-195] fix comment

(cherry picked from commit 80cc4c5d9a)

src/themes/dspace/styles/_theme_sass_variable_overrides.scss

@@ -44,6 +44,9 @@ $font-family-sans-serif: 'Nunito', -apple-system, BlinkMacSystemFont, "Segoe UI"
 //$teal:    #20c997 !default;
 //$cyan:    #17a2b8 !default;
 
+// Define or override other colors here
+// ...
+
 // Override semantic colors here
 $primary:   #43515f;  // Gray
 $secondary: #495057;  // As Bootstrap $gray-700
@@ -52,10 +55,7 @@ $info:      #207698;  // Light blue
 $warning:   #ec9433;  // Orange
 $danger:    #cf4444;  // Red
 $light:     #f8f9fa;  // As Bootstrap $gray-100
-$dark:      #43515f;  // Dark blue
-
-// Define or override other colors here
-// ...
+$dark:      #43515f;  // Gray
 
 // Add new semantic colors here (you don't need to add existing semantic colors)
 $theme-colors: (