diff --git a/src/parallel.pdf b/src/parallel.pdf
index 483f7259..8018e4d8 100644
Binary files a/src/parallel.pdf and b/src/parallel.pdf differ
diff --git a/src/parallel.pod b/src/parallel.pod
index ae95da1a..0847657a 100644
--- a/src/parallel.pod
+++ b/src/parallel.pod
@@ -1853,6 +1853,11 @@ function.
   export -f doubleit
   parallel doubleit ::: 1 2 3 ::: a b
 
+To do this on remote servers you need to transfer the function using
+B<--env>:
+
+  parallel --env doit -S server doit ::: 1 2 3
+  parallel --env doubleit -S server doubleit ::: 1 2 3 ::: a b
 
 
 =head1 EXAMPLE: Removing file extension when processing files
diff --git a/src/parallel.texi b/src/parallel.texi
index 7313a294..d927a6a9 100644
--- a/src/parallel.texi
+++ b/src/parallel.texi
@@ -1976,6 +1976,14 @@ function.
   parallel doubleit ::: 1 2 3 ::: a b
 @end verbatim
 
+To do this on remote servers you need to transfer the function using
+@strong{--env}:
+
+@verbatim
+  parallel --env doit -S server doit ::: 1 2 3
+  parallel --env doubleit -S server doubleit ::: 1 2 3 ::: a b
+@end verbatim
+
 @chapter EXAMPLE: Removing file extension when processing files
 @anchor{EXAMPLE: Removing file extension when processing files}