@@ -256,12 +256,13 @@ General writer options
256256 template appropriate for the output format will be used (see
257257 `-D/--print-default-template`).
258258
259−`-V` *KEY=VAL*, `--variable=`*KEY:VAL*
259+`-V` *KEY[=VAL]*, `--variable=`*KEY[:VAL]*
260260: Set the template variable *KEY* to the value *VAL* when rendering the
261261 document in standalone mode. This is generally only useful when the
262262 `--template` option is used to specify a custom template, since
263263 pandoc automatically sets the variables used in the default
264− templates.
264+ templates. If no *VAL* is specified, the key will be given the
265+ value `true`.
265266
266267`-D` *FORMAT*, `--print-default-template=`*FORMAT*
267268: Print the default template for an output *FORMAT*. (See `-t`