diff --git a/lib/redmine_dmsf/patches/access_control_patch.rb b/lib/redmine_dmsf/patches/access_control_patch.rb
index ed2d1751..9012bf94 100644
--- a/lib/redmine_dmsf/patches/access_control_patch.rb
+++ b/lib/redmine_dmsf/patches/access_control_patch.rb
@@ -23,7 +23,7 @@ module RedmineDmsf
     # AccessControll patch
     module AccessControlPatch
       ##################################################################################################################
-      # Overriden methods
+      # Overridden methods
       def self.prepended(base)
         class << base
           prepend ClassMethods
diff --git a/lib/redmine_dmsf/patches/notifiable_patch.rb b/lib/redmine_dmsf/patches/notifiable_patch.rb
index 562757d7..42e6d6ec 100644
--- a/lib/redmine_dmsf/patches/notifiable_patch.rb
+++ b/lib/redmine_dmsf/patches/notifiable_patch.rb
@@ -31,7 +31,7 @@ module RedmineDmsf
       # Class methods
       module ClassMethods
         ################################################################################################################
-        # Overriden methods
+        # Overridden methods
         #
         def all
           notifications = super
diff --git a/lib/redmine_dmsf/patches/pdf_patch.rb b/lib/redmine_dmsf/patches/pdf_patch.rb
index 6538dae4..7a94e827 100644
--- a/lib/redmine_dmsf/patches/pdf_patch.rb
+++ b/lib/redmine_dmsf/patches/pdf_patch.rb
@@ -27,7 +27,7 @@ module RedmineDmsf
     # PDF
     module PdfPatch
       ##################################################################################################################
-      # Overriden methods
+      # Overridden methods
 
       def get_image_filename(attrname)
         if attrname =~ %r{/dmsf/files/(\d+)/}