diff --git a/sysutils/vm-bhyve-devel/pkg-message b/sysutils/vm-bhyve-devel/pkg-message
index e04a7ea5298f..bc7f772d41b3 100644
--- a/sysutils/vm-bhyve-devel/pkg-message
+++ b/sysutils/vm-bhyve-devel/pkg-message
@@ -1,19 +1,24 @@
 [
 { type: install
   message: <<EOM
 To enable vm-bhyve, please add the following lines to rc.conf,
 depending on whether you are using ZFS storage or not. Please note
 that the directory or dataset specified should already exist.
 
     vm_enable="YES"
     vm_dir="zfs:pool/dataset"
 
 OR
 
     vm_enable="YES"
     vm_dir="/directory/path"
 
 Then run 'vm init'.
+
+It might be needed to increase the values of the following tunables.
+They need to be high enough to allow for a proper shutdown of all VM's.
+- kern.init_shutdown_timeout (adjusted with sysctcl.conf)
+- rcshutdown_timeout (adjusted with rc.conf)
 EOM
 }
 ]
diff --git a/sysutils/vm-bhyve/pkg-message b/sysutils/vm-bhyve/pkg-message
index e04a7ea5298f..bc7f772d41b3 100644
--- a/sysutils/vm-bhyve/pkg-message
+++ b/sysutils/vm-bhyve/pkg-message
@@ -1,19 +1,24 @@
 [
 { type: install
   message: <<EOM
 To enable vm-bhyve, please add the following lines to rc.conf,
 depending on whether you are using ZFS storage or not. Please note
 that the directory or dataset specified should already exist.
 
     vm_enable="YES"
     vm_dir="zfs:pool/dataset"
 
 OR
 
     vm_enable="YES"
     vm_dir="/directory/path"
 
 Then run 'vm init'.
+
+It might be needed to increase the values of the following tunables.
+They need to be high enough to allow for a proper shutdown of all VM's.
+- kern.init_shutdown_timeout (adjusted with sysctcl.conf)
+- rcshutdown_timeout (adjusted with rc.conf)
 EOM
 }
 ]