diff --git a/src/dialogs.py b/src/dialogs.py
index ae7b126d8..85c70802f 100644
--- a/src/dialogs.py
+++ b/src/dialogs.py
@@ -1594,7 +1594,7 @@ class ConfirmationDialogCheck(ConfirmationDialog):
         """
         return self.checkbutton.get_active()
 
-class ConfirmationDialogDoubbleCheck(ConfirmationDialog):
+class ConfirmationDialogDoubleCheck(ConfirmationDialog):
     """
     HIG compliant confirmation dialog with 2 checkbuttons
     """
@@ -1969,9 +1969,9 @@ class InputTextDialog(CommonInputDialog):
         start_iter, end_iter = self.input_buffer.get_bounds()
         return self.input_buffer.get_text(start_iter, end_iter).decode('utf-8')
 
-class DoubbleInputDialog:
+class DoubleInputDialog:
     """
-    Class for Doubble Input dialog
+    Class for Double Input dialog
     """
 
     def __init__(self, title, label_str1, label_str2, input_str1=None,
diff --git a/src/groupchat_control.py b/src/groupchat_control.py
index 451168b67..e2e97552f 100644
--- a/src/groupchat_control.py
+++ b/src/groupchat_control.py
@@ -1762,7 +1762,7 @@ class GroupchatControl(ChatControlBase):
                     jid)
 
         # Ask for a reason
-        dialogs.DoubbleInputDialog(_('Destroying %s') % self.room_jid,
+        dialogs.DoubleInputDialog(_('Destroying %s') % self.room_jid,
                 _('You are going to definitively destroy this room.\n'
                 'You may specify a reason below:'),
                 _('You may also enter an alternate venue:'), ok_handler=on_ok)
diff --git a/src/gui_interface.py b/src/gui_interface.py
index 07e483c06..243f5b1c9 100644
--- a/src/gui_interface.py
+++ b/src/gui_interface.py
@@ -1834,7 +1834,7 @@ class Interface:
         if 'ssl_error' in self.instances[account]['online_dialog']:
             self.instances[account]['online_dialog']['ssl_error'].destroy()
         self.instances[account]['online_dialog']['ssl_error'] = \
-                dialogs.ConfirmationDialogDoubbleCheck(pritext, sectext, checktext1,
+                dialogs.ConfirmationDialogDoubleCheck(pritext, sectext, checktext1,
                 checktext2, on_response_ok=on_ok, on_response_cancel=on_cancel)
 
     def handle_event_fingerprint_error(self, account, data):
@@ -1889,7 +1889,7 @@ class Interface:
         if 'plain_connection' in self.instances[account]['online_dialog']:
             self.instances[account]['online_dialog']['plain_connection'].destroy()
         self.instances[account]['online_dialog']['plain_connection'] = \
-                dialogs.ConfirmationDialogDoubbleCheck(pritext, sectext,
+                dialogs.ConfirmationDialogDoubleCheck(pritext, sectext,
                 checktext1, checktext2, on_response_ok=on_ok,
                 on_response_cancel=on_cancel, is_modal=False)
 
@@ -1924,7 +1924,7 @@ class Interface:
         if 'insecure_ssl' in self.instances[account]['online_dialog']:
             self.instances[account]['online_dialog']['insecure_ssl'].destroy()
         self.instances[account]['online_dialog']['insecure_ssl'] = \
-                dialogs.ConfirmationDialogDoubbleCheck(pritext, sectext,
+                dialogs.ConfirmationDialogDoubleCheck(pritext, sectext,
                 checktext1, checktext2, on_response_ok=on_ok,
                 on_response_cancel=on_cancel, is_modal=False)