has been specified, then the object filename is
<replaceable>dir</replaceable>/<replaceable>mod</replaceable>.<replaceable>osuf</replaceable>,
where <replaceable>mod</replaceable> is the module name with
- dots replaced by slashes.</para>
+ dots replaced by slashes. GHC will silently create the necessary directory
+ structure underneath <replaceable>dir</replaceable>, if it does not
+ already exist.</para>
</listitem>
</itemizedlist>