diff --git a/runtime/doc/if_perl.txt b/runtime/doc/if_perl.txt
index c73eb61..b70d52a 100644
--- a/runtime/doc/if_perl.txt
+++ b/runtime/doc/if_perl.txt
@@ -284,7 +284,8 @@
 To use the Perl interface the Perl DLL must be in your search path.
 If Vim reports it cannot find the perl512.dll, make sure your $PATH includes
 the directory where it is located.  The Perl installer normally does that.
-In a console window type "path" to see what directories are used.
+In a console window type "path" to see what directories are used.  The
+'perldll' option can be also used to specify the Perl DLL.
 
 The name of the DLL must match the Perl version Vim was compiled with.
 Currently the name is "perl512.dll".  That is for Perl 5.12.  To know for