[seahorse] help: Update encryption-rsa.page

[Ekaterina Gerasimova <egerasimov src gnome org>]

commit f8b16e6f2d516ff606b765d1177cf33b462c9f0d
Author: Aruna Sankaranarayanan <arunasank src gnome org>
Date:   Wed Jun 19 08:28:00 2013 +0530

    help: Update encryption-rsa.page

 help/C/encryption-rsa.page |    8 ++++----
 1 files changed, 4 insertions(+), 4 deletions(-)
---
diff --git a/help/C/encryption-rsa.page b/help/C/encryption-rsa.page
index e555ac1..7c80487 100644
--- a/help/C/encryption-rsa.page
+++ b/help/C/encryption-rsa.page
@@ -64,8 +64,8 @@ easier.-->
   <p>Every user who wants to use the RSA algorithm has a key pair consisting
   of a <em>Private key</em> and a <em>Public key</em>. The <em>Public key</em>
   is available on several <link xref="key-servers-what-are-they">key
-  servers</link> and is visible to everyone. The <em>Private key</em> is only
-  visible to the owner of the key pair.</p>
+  servers</link> and is known to everyone. The <em>Private key</em> is only
+  known to the owner of the key pair.</p>
 
   <steps>
     <title>How does RSA encryption work?</title>
@@ -73,14 +73,14 @@ easier.-->
         <p>Say A and B want to communicate.</p>
       </item>
       <item>
-        <p>A encrypts the message to B with B's public key.</p>
+        <p>A encrypts a message to B with B's public key.</p>
       </item>
       <item>
        <p>B receives the encrypted message and decrypts it with their private
        key to view its contents.</p>
       </item>
       <item>
-       <p>B encrypts the reply to A with A's public key.</p>
+       <p>B encrypts a reply to A with A's public key.</p>
       </item>
       <item>
         <p>A receives the encrypted reply and decrypts it with their private