Update index.html

index.html

@@ -1077,7 +1077,7 @@ <h3>
         <p>
           If the user agent honors the value of the [=manifest/theme_color=]
           member as the [=default theme color=], then that color serves as the
-          [=theme color=] for all browsing contexts to which the manifest is
+          [=theme color=] for all [=browsing contexts=] to which the manifest is
           [=applied=]. However, the user agent MAY override the [=default theme
           color=] if a document whose URL is [=within scope=] of the
           [=application context=]'s [=manifest=] includes a [^meta^] element