[css-text-3] Fix typo

Author: frivoal

css-text-3/Overview.bs

@@ -2194,7 +2194,7 @@ Line Breaking Details</h3>
         <dd>Words are not hyphenated, even if characters inside
           the word explicitly define <a>hyphenation opportunities</a>.
 
-          Note: This does not suppress existing the [=soft wrap opportunities=]
+          Note: This does not suppress the existing [=soft wrap opportunities=]
           introduced by always visible characters such as
           U+002D HYPHEN-MINUS
           or U+2010 HYPHEN.