diff --git a/en_US.ISO8859-1/books/pmake/basics/chapter.xml b/en_US.ISO8859-1/books/pmake/basics/chapter.xml
index fd5dc0f101..b456fcc40d 100644
--- a/en_US.ISO8859-1/books/pmake/basics/chapter.xml
+++ b/en_US.ISO8859-1/books/pmake/basics/chapter.xml
@@ -17,7 +17,7 @@
     otherwise.  To specify a different makefile, use the
     <option>-f</option> flag, e.g.</para>
 
-  <screen>&prompt.user; <userinput>pmake -f program.mk</userinput></screen>
+  <screen>&prompt.user; <userinput>pmake -f <replaceable>program.mk</replaceable></userinput></screen>
 
   <para>A makefile has four different types of lines in it:</para>