diff --git a/monkeysign/cli.py b/monkeysign/cli.py
index b17206af72c84ca4e1d4f95da5d7c010f0f465e6..a72cc564216923c26795fed2c80b400c469b7709 100644
--- a/monkeysign/cli.py
+++ b/monkeysign/cli.py
@@ -35,7 +35,7 @@ passwords."""
 
     # override default options to allow passing a keyid
     usage = _('%prog [options] <keyid>')
-    epilog = _('<keyid>: a GPG fingerprint or key id')
+    epilog = _('<keyid>: a OpenPGP fingerprint or key id')
 
     def parse_args(self, args):
         """override main parsing: we absolutely need an argument"""
diff --git a/monkeysign/gtkui.py b/monkeysign/gtkui.py
index 5c6ab495c917585a5cca4a1256374ad5f3fc34fa..52590c89b4cc05affdc4f5c6a27cc1954b87ff84 100644
--- a/monkeysign/gtkui.py
+++ b/monkeysign/gtkui.py
@@ -266,7 +266,7 @@ class MonkeysignScan(gtk.Window):
                 swin = gtk.ScrolledWindow()
                 swin.set_policy(gtk.POLICY_AUTOMATIC, gtk.POLICY_AUTOMATIC)
                 swin.add_with_viewport(self.qrcode)
-                label = gtk.Label(_('This is a QR-code version of your PGP fingerprint. Scan this with another monkeysign to transfer your fingerprint.'))
+                label = gtk.Label(_('This is a QR-code version of your OpenPGP fingerprint. Scan this with another Monkeysign to transfer your fingerprint.'))
                 label.set_line_wrap(True)
                 self.qrcodewidget.pack_start(label, False)
                 self.qrcodewidget.pack_start(swin)
diff --git a/monkeysign/ui.py b/monkeysign/ui.py
index e52cbb48460af8efa8110754b06a64f6ae08ff97..8865aeb54b70f767f76b82dd3dc4d1a23460f5ad 100644
--- a/monkeysign/ui.py
+++ b/monkeysign/ui.py
@@ -266,7 +266,7 @@ work.
 
         # export public key material associated with detected private
         if not self.tmpkeyring.import_data(self.keyring.export_data(self.signing_key.fpr)):
-            self.abort(_('could not find public key material, do you have a GPG key?'))
+            self.abort(_('could not find public key material, do you have an OpenPGP key?'))
 
     def sign_key(self):
         """sign the key uids, as specified"""
@@ -393,8 +393,8 @@ mail.
 
     # the email body
     body = _("""
-Please find attached your signed PGP key. You can import the signed
-key by running each through `gpg --import`.
+Please find attached your signed OpenPGP key. You can import the
+signed key by running each through `gpg --import`.
 
 If you have multiple user ids, each signature was sent in a separate
 email to each user id.
@@ -491,7 +491,7 @@ mailto: who to send the mail to (usually similar to recipient, but can be used t
         keypart = MIMEBase('application', 'pgp-keys', name=filename)
         keypart.add_header('Content-Disposition', 'attachment', filename=filename)
         keypart.add_header('Content-Transfer-Encoding', '7bit')
-        keypart.add_header('Content-Description', (_('signed PGP Key %s, uid %s') % (self.keyfpr, self.recipient.decode('utf-8'))))
+        keypart.add_header('Content-Description', (_('signed OpenPGP Key %s, uid %s') % (self.keyfpr, self.recipient.decode('utf-8'))))
         keypart.set_payload(self.tmpkeyring.export_data(self.keyfpr))
         return MIMEMultipart('mixed', None, [text, keypart])
 
@@ -504,7 +504,7 @@ mailto: who to send the mail to (usually similar to recipient, but can be used t
         p2.add_header('Content-Transfer-Encoding', '7bit')
         p2.set_payload(encrypted)
         msg = MIMEMultipart('encrypted', None, [p1, p2], protocol="application/pgp-encrypted")
-        msg.preamble = _('This is a multi-part message in PGP/MIME format...')
+        msg.preamble = _('This is a multi-part message in OpenPGP/MIME format...')
         msg['Subject'] = Header(self.subject.encode('utf-8'), 'UTF-8').encode()
         name, address = parseaddr(self.mailfrom)
         msg['From'] = formataddr((Header(name.encode('utf-8'), 'UTF-8').encode(), address))