[seahorse] Ssh: fix comment in operation.vala

[Niels De Graef <nielsdg src gnome org>]

commit 0f12eb0d061cabba5abac02b97d01eb13782b614
Author: Niels De Graef <nielsdegraef gmail com>
Date:   Wed Mar 7 18:43:40 2018 +0100

    Ssh: fix comment in operation.vala

 ssh/operation.vala |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)
---
diff --git a/ssh/operation.vala b/ssh/operation.vala
index eeb7739..e0972ef 100644
--- a/ssh/operation.vala
+++ b/ssh/operation.vala
@@ -24,7 +24,8 @@ namespace Seahorse.Ssh {
 /**
  * Wraps a command-line executable in its own async method.
  *
- * The basic idea is that we don't want to link to the OpenSSL/LibreSSL libraries.
+ * Since OpenSSH doesn't provide a library (or didn't at the time of writing),
+ * we use a small wrapper around the ssh and ssh-keygen executables.
  * So, create a subclass instead and do whatever you want with the output.
  */
 public abstract class Operation : GLib.Object {