Update __docs__/wonder-blocks-labeled-field/accessibility.mdx

Co-authored-by: Marcy Sutton-Todd <[email protected]>

__docs__/wonder-blocks-labeled-field/accessibility.mdx

@@ -42,7 +42,7 @@ and the error message has `aria-live="assertive"`. `aria-atomic=true` is also se
 so that any updates to the error message is announced.
 
 Different browsers and screen readers announce this differently unfortunately
-(in both the W3 example and LabeledField stories). The following documents the
+(in both the W3C example and LabeledField stories). The following documents the
 current behaviour for 3 scenarios around error messages:
 
 #### 1. The field is in an error state already