diff --git a/lib/devise/failure_app.rb b/lib/devise/failure_app.rb
index 7f80733c..522c6024 100644
--- a/lib/devise/failure_app.rb
+++ b/lib/devise/failure_app.rb
@@ -152,7 +152,7 @@ module Devise
 
       # We need to add the rootpath to `script_name` manually for applications that use a Rails
       # version lower than 5.1. Otherwise, it is going to generate a wrong path for Engines
-      # that use Devise. Remove it when the support of Rails 5.0 is droped.
+      # that use Devise. Remove it when the support of Rails 5.0 is dropped.
       elsif root_path_defined?(context) && !rails_51_and_up?
         rootpath = context.routes.url_helpers.root_path
         opts[:script_name] = rootpath.chomp('/') if rootpath.length > 1
diff --git a/lib/devise/test/integration_helpers.rb b/lib/devise/test/integration_helpers.rb
index 99731389..0c7c910a 100644
--- a/lib/devise/test/integration_helpers.rb
+++ b/lib/devise/test/integration_helpers.rb
@@ -28,7 +28,7 @@ module Devise
         end
       end
 
-      # Signs in a specific resource, mimicking a successfull sign in
+      # Signs in a specific resource, mimicking a successful sign in
       # operation through +Devise::SessionsController#create+.
       #
       # * +resource+ - The resource that should be authenticated
diff --git a/test/integration/database_authenticatable_test.rb b/test/integration/database_authenticatable_test.rb
index 64a52b90..ed641ef2 100644
--- a/test/integration/database_authenticatable_test.rb
+++ b/test/integration/database_authenticatable_test.rb
@@ -65,7 +65,7 @@ class DatabaseAuthenticationTest < Devise::IntegrationTest
     end
   end
 
-  test 'sign in with invalid pasword should return to sign in form with error message' do
+  test 'sign in with invalid password should return to sign in form with error message' do
     sign_in_as_admin do
       fill_in 'password', with: 'abcdef'
     end
@@ -80,7 +80,7 @@ class DatabaseAuthenticationTest < Devise::IntegrationTest
         sign_in_as_user do
           fill_in 'email', with: 'wrongemail@test.com'
         end
-        
+
         assert_not_contain 'Not found in database'
         assert_contain 'Invalid Email or password.'
       end
diff --git a/test/integration/timeoutable_test.rb b/test/integration/timeoutable_test.rb
index ceddd108..b6f24714 100644
--- a/test/integration/timeoutable_test.rb
+++ b/test/integration/timeoutable_test.rb
@@ -77,7 +77,7 @@ class SessionTimeoutTest < Devise::IntegrationTest
     end
   end
 
-  test 'time out user session after deault limit time and redirect to latest get request' do
+  test 'time out user session after default limit time and redirect to latest get request' do
     user = sign_in_as_user
     visit edit_form_user_path(user)
 
diff --git a/test/mailers/reset_password_instructions_test.rb b/test/mailers/reset_password_instructions_test.rb
index f0b45809..f38829dd 100644
--- a/test/mailers/reset_password_instructions_test.rb
+++ b/test/mailers/reset_password_instructions_test.rb
@@ -29,7 +29,7 @@ class ResetPasswordInstructionsTest < ActionMailer::TestCase
     end
   end
 
-  test 'email sent after reseting the user password' do
+  test 'email sent after resetting the user password' do
     assert_not_nil mail
   end
 
diff --git a/test/models/recoverable_test.rb b/test/models/recoverable_test.rb
index 919e6e48..ab47f95f 100644
--- a/test/models/recoverable_test.rb
+++ b/test/models/recoverable_test.rb
@@ -34,7 +34,7 @@ class RecoverableTest < ActiveSupport::TestCase
     assert create_user.reset_password('123456789', '123456789')
   end
 
-  test 'should clear reset password token while reseting the password' do
+  test 'should clear reset password token while resetting the password' do
     user = create_user
     assert_nil user.reset_password_token