Fix typos and improve log messages

src/NzbDrone.Core/Movies/AlternativeTitles/AlternativeTitleService.cs

@@ -100,7 +100,7 @@ namespace NzbDrone.Core.Movies.AlternativeTitles
 
         public void HandleAsync(MoviesDeletedEvent message)
         {
-            // TODO hanlde metadata delete instead of movie delete
+            // TODO handle metadata delete instead of movie delete
             _titleRepo.DeleteForMovies(message.Movies.Select(m => m.MovieMetadataId).ToList());
         }
     }

src/NzbDrone.Core/Movies/Translations/MovieTranslationService.cs

@@ -72,7 +72,7 @@ namespace NzbDrone.Core.Movies.Translations
 
         public void HandleAsync(MoviesDeletedEvent message)
         {
-            // TODO hanlde metadata delete instead of movie delete
+            // TODO handle metadata delete instead of movie delete
             _translationRepo.DeleteForMovies(message.Movies.Select(m => m.MovieMetadataId).ToList());
         }
     }

src/NzbDrone.Core/Notifications/Mailgun/MailgunProxy.cs

@@ -34,7 +34,7 @@ namespace NzbDrone.Core.Notifications.Mailgun
             {
                 if (ex.Response.StatusCode == HttpStatusCode.Unauthorized)
                 {
-                    _logger.Error("Unathorized - ApiKey is invalid");
+                    _logger.Error("Unauthorized - ApiKey is invalid");
                     throw new MailgunException("Unauthorized - ApiKey is invalid");
                 }
 

src/Radarr.Api.V3/ProviderResource.cs

@@ -38,7 +38,7 @@ namespace Radarr.Api.V3
                 Tags = definition.Tags,
                 Fields = SchemaBuilder.ToSchema(definition.Settings),
 
-                // radarr/supported is an disambagation page. the # should be a header on the page with appropiate details/link
+                // radarr/supported is an disambiguation page. the # should be a header on the page with appropriate details/link
                 InfoLink = string.Format("https://wiki.servarr.com/radarr/supported#{0}",
                     definition.Implementation.ToLower())
             };