diff --git a/app/controllers/invoices_controller.rb b/app/controllers/invoices_controller.rb
index 9359280..40ba83a 100644
--- a/app/controllers/invoices_controller.rb
+++ b/app/controllers/invoices_controller.rb
@@ -14,6 +14,11 @@ class InvoicesController < ApplicationController
         disposition: 'attachment',
         layout: 'pdf',
         encoding: 'UTF-8',
+        page_size: 'A4',
+        margin:  {   top:               8,                     # default 10 (mm)
+                     bottom:            8,
+                     left:              8,
+                     right:             8 },        
         viewport_size: '1280x1024'
       end
     end
diff --git a/app/views/invoices/_show.html.erb b/app/views/invoices/_show.html.erb
index c64f0aa..249d2b7 100644
--- a/app/views/invoices/_show.html.erb
+++ b/app/views/invoices/_show.html.erb
@@ -191,7 +191,7 @@
             <table width="100%" class="table table-bordered">
               <tr><td>Sprzedający:</td></tr>
               <tr>
-                <td height="100" valign="bottom" class="text-center" style="vertical-align:bottom;"><span style="font-size:14px"><b>Hinz Adrian</b></span><br />Osoba upowazniona do wystawienia faktury VAT</td>
+                <td height="100" valign="bottom" class="text-center" style="vertical-align:bottom;"><span style="font-size:14px"><b>Hinz Adrian</b></span><br />Osoba upoważniona do wystawienia faktury VAT</td>
               </tr>
             </table>
           </div>
@@ -200,7 +200,7 @@
             <table width="100%" class="table table-bordered">
               <tr><td>Kupujący:</td></tr>
               <tr>
-                <td height="100" class="text-center" style="vertical-align:bottom;">Osoba upowazniona do odbioru faktury VAT</td>
+                <td height="100" class="text-center" style="vertical-align:bottom;">Osoba upoważniona do odbioru faktury VAT</td>
               </tr>
             </table>
           </div>