@@ 211,7 211,7 @@ implementation.
(description "CommonMark is a strongly defined, highly compatible
specification of Markdown. cmark is the C reference implementation of
CommonMark. It provides @code{libcmark} shared library for parsing
-CommonMark to an abstract syntax tree (AST) and rendering the document
+CommonMark to an abstract syntax tree (@dfn{AST}) and rendering the document
as HTML, groff man, LaTeX, CommonMark, or an XML representation of the
AST. The package also provides the command-line program @command{cmark}
for parsing and rendering CommonMark.")