diff --git a/NzbDrone.Api/Directories/DirectoryModule.cs b/NzbDrone.Api/Directories/DirectoryModule.cs
index 5603647329..1fed2d6099 100644
--- a/NzbDrone.Api/Directories/DirectoryModule.cs
+++ b/NzbDrone.Api/Directories/DirectoryModule.cs
@@ -2,7 +2,7 @@
 using System.Collections.Generic;
 using System.Linq;
 using Nancy;
-using NzbDrone.Api.Extentions;
+using NzbDrone.Api.Extensions;
 using NzbDrone.Common;
 using NzbDrone.Core.RootFolders;
 
diff --git a/NzbDrone.Api/ErrorManagement/ApiException.cs b/NzbDrone.Api/ErrorManagement/ApiException.cs
index 84f8597249..27da46d661 100644
--- a/NzbDrone.Api/ErrorManagement/ApiException.cs
+++ b/NzbDrone.Api/ErrorManagement/ApiException.cs
@@ -3,7 +3,7 @@
 using Nancy;
 using Nancy.Responses;
 using Newtonsoft.Json;
-using NzbDrone.Api.Extentions;
+using NzbDrone.Api.Extensions;
 
 namespace NzbDrone.Api.ErrorManagement
 {
diff --git a/NzbDrone.Api/ErrorManagement/ErrorHandler.cs b/NzbDrone.Api/ErrorManagement/ErrorHandler.cs
index e3f82c3e3e..154dd8bd47 100644
--- a/NzbDrone.Api/ErrorManagement/ErrorHandler.cs
+++ b/NzbDrone.Api/ErrorManagement/ErrorHandler.cs
@@ -1,7 +1,7 @@
 using System.Linq;
 using Nancy;
 using Nancy.ErrorHandling;
-using NzbDrone.Api.Extentions;
+using NzbDrone.Api.Extensions;
 
 namespace NzbDrone.Api.ErrorManagement
 {
diff --git a/NzbDrone.Api/ErrorManagement/ErrorPipeline.cs b/NzbDrone.Api/ErrorManagement/ErrorPipeline.cs
index 60cbfc7f83..fe7ba61d6e 100644
--- a/NzbDrone.Api/ErrorManagement/ErrorPipeline.cs
+++ b/NzbDrone.Api/ErrorManagement/ErrorPipeline.cs
@@ -2,7 +2,7 @@
 using System.Linq;
 using NLog;
 using Nancy;
-using NzbDrone.Api.Extentions;
+using NzbDrone.Api.Extensions;
 
 namespace NzbDrone.Api.ErrorManagement
 {
diff --git a/NzbDrone.Api/Extentions/NancyJsonSerializer.cs b/NzbDrone.Api/Extensions/NancyJsonSerializer.cs
similarity index 95%
rename from NzbDrone.Api/Extentions/NancyJsonSerializer.cs
rename to NzbDrone.Api/Extensions/NancyJsonSerializer.cs
index 2ed65784e9..12b593785b 100644
--- a/NzbDrone.Api/Extentions/NancyJsonSerializer.cs
+++ b/NzbDrone.Api/Extensions/NancyJsonSerializer.cs
@@ -4,7 +4,7 @@
 using Nancy;
 using Newtonsoft.Json;
 
-namespace NzbDrone.Api.Extentions
+namespace NzbDrone.Api.Extensions
 {
     public class NancyJsonSerializer : ISerializer
     {
diff --git a/NzbDrone.Api/Extentions/RequestExtensions.cs b/NzbDrone.Api/Extensions/RequestExtensions.cs
similarity index 95%
rename from NzbDrone.Api/Extentions/RequestExtensions.cs
rename to NzbDrone.Api/Extensions/RequestExtensions.cs
index 0cab1e0120..4852450682 100644
--- a/NzbDrone.Api/Extentions/RequestExtensions.cs
+++ b/NzbDrone.Api/Extensions/RequestExtensions.cs
@@ -4,7 +4,7 @@
 using Nancy.Responses;
 using Newtonsoft.Json;
 
-namespace NzbDrone.Api.Extentions
+namespace NzbDrone.Api.Extensions
 {
     public static class JsonExtensions
     {
diff --git a/NzbDrone.Api/Extentions/RootPathProvider.cs b/NzbDrone.Api/Extensions/RootPathProvider.cs
similarity index 87%
rename from NzbDrone.Api/Extentions/RootPathProvider.cs
rename to NzbDrone.Api/Extensions/RootPathProvider.cs
index 9f5bda0277..8f19bdb736 100644
--- a/NzbDrone.Api/Extentions/RootPathProvider.cs
+++ b/NzbDrone.Api/Extensions/RootPathProvider.cs
@@ -2,7 +2,7 @@
 using System.Linq;
 using Nancy;
 
-namespace NzbDrone.Api.Extentions
+namespace NzbDrone.Api.Extensions
 {
     public class RootPathProvider : IRootPathProvider
     {
diff --git a/NzbDrone.Api/Extentions/Serializer.cs b/NzbDrone.Api/Extensions/Serializer.cs
similarity index 93%
rename from NzbDrone.Api/Extentions/Serializer.cs
rename to NzbDrone.Api/Extensions/Serializer.cs
index cd815d53ab..5d6b0f8f34 100644
--- a/NzbDrone.Api/Extentions/Serializer.cs
+++ b/NzbDrone.Api/Extensions/Serializer.cs
@@ -1,9 +1,8 @@
-using System.IO;
-using System.Linq;
+using System.Linq;
 using Newtonsoft.Json;
 using Newtonsoft.Json.Serialization;
 
-namespace NzbDrone.Api.Extentions
+namespace NzbDrone.Api.Extensions
 {
     public static class Serializer
     {
diff --git a/NzbDrone.Api/NancyBootstrapper.cs b/NzbDrone.Api/NancyBootstrapper.cs
index 562517112e..e89427841c 100644
--- a/NzbDrone.Api/NancyBootstrapper.cs
+++ b/NzbDrone.Api/NancyBootstrapper.cs
@@ -8,7 +8,7 @@
 using Nancy.Conventions;
 using Nancy.Diagnostics;
 using NzbDrone.Api.ErrorManagement;
-using NzbDrone.Api.Extentions;
+using NzbDrone.Api.Extensions;
 using NzbDrone.Common;
 using NzbDrone.Core;
 using NzbDrone.Core.Lifecycle;
diff --git a/NzbDrone.Api/NzbDrone.Api.csproj b/NzbDrone.Api/NzbDrone.Api.csproj
index 092d3fe5ab..12aee9d292 100644
--- a/NzbDrone.Api/NzbDrone.Api.csproj
+++ b/NzbDrone.Api/NzbDrone.Api.csproj
@@ -111,8 +111,8 @@
     <Compile Include="AutomapperBootstraper.cs" />
     <Compile Include="ApiContainerExtensions.cs" />
     <Compile Include="Directories\DirectoryModule.cs" />
-    <Compile Include="Extentions\NancyJsonSerializer.cs" />
-    <Compile Include="Extentions\Serializer.cs" />
+    <Compile Include="Extensions\NancyJsonSerializer.cs" />
+    <Compile Include="Extensions\Serializer.cs" />
     <Compile Include="FrontendModule\IndexModule.cs" />
     <Compile Include="FrontendModule\BootstrapModule.cs" />
     <Compile Include="FrontendModule\LessService.cs" />
@@ -120,7 +120,7 @@
     <Compile Include="Resolvers\NextAiringResolver.cs" />
     <Compile Include="Resolvers\NullableDatetimeToString.cs" />
     <Compile Include="RootFolders\RootFolderModule.cs" />
-    <Compile Include="Extentions\RootPathProvider.cs" />
+    <Compile Include="Extensions\RootPathProvider.cs" />
     <Compile Include="Series\SeriesResource.cs" />
     <Compile Include="Series\SeriesModule.cs" />
     <Compile Include="Series\SeriesLookupModule.cs" />
@@ -136,7 +136,7 @@
     <Compile Include="QualityProfiles\QualityProfilesModule.cs" />
     <Compile Include="QualityType\QualityTypeModel.cs" />
     <Compile Include="QualityType\QualityTypeModule.cs" />
-    <Compile Include="Extentions\RequestExtensions.cs" />
+    <Compile Include="Extensions\RequestExtensions.cs" />
     <Compile Include="Resolvers\AllowedToQualitiesResolver.cs" />
     <Compile Include="Resolvers\QualitiesToAllowedResolver.cs" />
     <Compile Include="Resolvers\QualityTypesToIntResolver.cs" />
diff --git a/NzbDrone.Api/QualityProfiles/QualityProfilesModule.cs b/NzbDrone.Api/QualityProfiles/QualityProfilesModule.cs
index 640f145dca..17c5c6ebb2 100644
--- a/NzbDrone.Api/QualityProfiles/QualityProfilesModule.cs
+++ b/NzbDrone.Api/QualityProfiles/QualityProfilesModule.cs
@@ -2,7 +2,7 @@
 using System.Linq;
 using AutoMapper;
 using Nancy;
-using NzbDrone.Api.Extentions;
+using NzbDrone.Api.Extensions;
 using NzbDrone.Core.Providers;
 using NzbDrone.Core.Repository.Quality;
 using NzbDrone.Api.QualityType;
diff --git a/NzbDrone.Api/QualityType/QualityTypeModule.cs b/NzbDrone.Api/QualityType/QualityTypeModule.cs
index 88ef10e234..e0f1d1b40f 100644
--- a/NzbDrone.Api/QualityType/QualityTypeModule.cs
+++ b/NzbDrone.Api/QualityType/QualityTypeModule.cs
@@ -2,7 +2,7 @@
 using System.Linq;
 using AutoMapper;
 using Nancy;
-using NzbDrone.Api.Extentions;
+using NzbDrone.Api.Extensions;
 using NzbDrone.Api.QualityProfiles;
 using NzbDrone.Core.Providers;
 
diff --git a/NzbDrone.Api/RootFolders/RootFolderModule.cs b/NzbDrone.Api/RootFolders/RootFolderModule.cs
index 1b156c52b3..87033936db 100644
--- a/NzbDrone.Api/RootFolders/RootFolderModule.cs
+++ b/NzbDrone.Api/RootFolders/RootFolderModule.cs
@@ -1,6 +1,6 @@
 using System.Linq;
 using Nancy;
-using NzbDrone.Api.Extentions;
+using NzbDrone.Api.Extensions;
 using NzbDrone.Core.Providers;
 using NzbDrone.Core.Repository;
 using NzbDrone.Core.RootFolders;
diff --git a/NzbDrone.Api/Series/SeriesLookupModule.cs b/NzbDrone.Api/Series/SeriesLookupModule.cs
index 27460c95bb..f0c338d1dc 100644
--- a/NzbDrone.Api/Series/SeriesLookupModule.cs
+++ b/NzbDrone.Api/Series/SeriesLookupModule.cs
@@ -1,6 +1,6 @@
 using System.Linq;
 using Nancy;
-using NzbDrone.Api.Extentions;
+using NzbDrone.Api.Extensions;
 using NzbDrone.Api.QualityType;
 using NzbDrone.Core.Providers;
 
diff --git a/NzbDrone.Api/Series/SeriesModule.cs b/NzbDrone.Api/Series/SeriesModule.cs
index 2f9bb9fb10..84972871f5 100644
--- a/NzbDrone.Api/Series/SeriesModule.cs
+++ b/NzbDrone.Api/Series/SeriesModule.cs
@@ -5,7 +5,7 @@
 using AutoMapper;
 using FluentValidation;
 using Nancy;
-using NzbDrone.Api.Extentions;
+using NzbDrone.Api.Extensions;
 using NzbDrone.Common;
 using NzbDrone.Core.Tv;
 using NzbDrone.Core.Jobs;
diff --git a/NzbDrone.Api/Upcoming/UpcomingModule.cs b/NzbDrone.Api/Upcoming/UpcomingModule.cs
index 8247bbedc8..3ca1f04865 100644
--- a/NzbDrone.Api/Upcoming/UpcomingModule.cs
+++ b/NzbDrone.Api/Upcoming/UpcomingModule.cs
@@ -5,7 +5,7 @@
 using AutoMapper;
 using FluentValidation;
 using Nancy;
-using NzbDrone.Api.Extentions;
+using NzbDrone.Api.Extensions;
 using NzbDrone.Api.Series;
 using NzbDrone.Common;
 using NzbDrone.Core.Jobs;