diff --git a/slpkg/dialog_box.py b/slpkg/dialog_box.py
index a29949b0..d800f15e 100644
--- a/slpkg/dialog_box.py
+++ b/slpkg/dialog_box.py
@@ -11,6 +11,7 @@ locale.setlocale(locale.LC_ALL, '')
 
 
 class DialogBox:
+    """ Class for dialog box library. """
 
     def __init__(self):
         self.configs = Configs()
@@ -19,7 +20,6 @@ class DialogBox:
 
     def checklist(self, text, title, height, width, list_height, choices, packages):
         """ Display a checklist box. """
-
         if self.configs.dialog:
             code, tags = self.d.checklist(text, title=title, height=height,  width=width,
                                           list_height=list_height, choices=choices)
@@ -31,7 +31,6 @@ class DialogBox:
 
     def mixedform(self, text, title, elements, height, width):
         """ Display a mixedform box. """
-
         if self.configs.dialog:
             code, tags = self.d.mixedform(text=text, title=title, elements=elements,
                                           height=height, width=width, help_button=True)
@@ -42,11 +41,11 @@ class DialogBox:
         return code, tags
 
     def msgbox(self, text, height, width):
-
+        """ Display a message box. """
         if self.configs.dialog:
             self.d.msgbox(text, height, width)
 
     def textbox(self, text, height, width):
-
+        """ Display a text box. """
         if self.configs.dialog:
             self.d.textbox(text, height, width)