diff --git a/src/global/scss/base/_mixins.scss b/src/global/scss/base/_mixins.scss
index 0191a798..fbf3b0f7 100644
--- a/src/global/scss/base/_mixins.scss
+++ b/src/global/scss/base/_mixins.scss
@@ -163,7 +163,7 @@
 // Font-size mixin - returns the font size for mobile and desktop based of the values in $font-sizes map
 @mixin font-size($size) {
   @if $size != 'xxs' and $size != 'xs' and $size != 'sm' and $size != 'md' and $size != 'lg' and $size != 'xl' and $size != 'xxl' {
-    @error 'NSW-DS font-size mixin allows the following values for $sizes: xs, sm, md, lg, xl, xxl, xxxl. You have used "#{$size}"';
+    @error 'NSW-DS font-size mixin allows the following values for $sizes: xxs, xs, sm, md, lg, xl, xxl. You have used "#{$size}"';
   }
 
   @if $size {