--- a/content/function-ref.html
+++ b/content/function-ref.html
@@ -4,14 +4,14 @@
 command to learn about xvals:</p>
 
 <pre>
-perldl> help xvals
+pdl> help xvals
 </pre>
 
 <p>If you don't know the exact name of the function, use the <tt>apropos</tt>
 command to do a fuzzy seach:</p>
 
 <pre>
-perldl> apropos xval
+pdl> apropos xval
 mn_init         The function mn_init() does the basic initialization of the
                 fit. The first argument has to be a reference to the function
                 to be minimized.