README.adoc in metanorma-gb-1.0.10 vs README.adoc in metanorma-gb-1.0.11

@@ -97,9 +97,12 @@
 `:title-intro-zh:`, `:title-main-zh:`*, `:title-part-zh:`::
 These are the title introduction, main title, and part title in Chinese.
 The intro and part titles are optional.
 (They replace their French counterparts in
 https://github.com/riboseinc/metanorma-iso[metanorma-iso].)
+This and the other `:title-*` document attributes are used instead
+of the metanorma-standoc `:title:` attribute and the default Asciidoctor title
+(the first line of the document header, prefixed with `=`).
 
 `:title-intro-en:`, `:title-main-en:`*, `:title-part-en:`::
 These are the title introduction, main title, and part title in English.
 The intro and part titles are optional.
 (They form the document subtitle, instead of the document title as in