fixed validation spelling

NzbDrone.Api/Indexers/IndexerModule.cs

@@ -28,7 +28,7 @@ namespace NzbDrone.Api.Indexers
             SharedValidator.RuleFor(c => c.Name).NotEmpty();
             SharedValidator.RuleFor(c => c.Implementation).NotEmpty();
 
-            SharedValidator.RuleForField<string>(c => c.Fields, "Url").NotEmpty();
+            SharedValidator.RuleForField<string>(c=>c.Fields,"Url").NotEmpty();
 
             PostValidator.RuleFor(c => c.Fields).NotEmpty();
         }

NzbDrone.Api/REST/ResourceValidator.cs

@@ -3,6 +3,7 @@ using System.Collections.Generic;
 using System.Linq.Expressions;
 using FluentValidation;
 using FluentValidation.Internal;
+using FluentValidation.Resources;
 using NzbDrone.Api.ClientSchema;
 using System.Linq;
 
@@ -10,10 +11,11 @@ namespace NzbDrone.Api.REST
 {
     public class ResourceValidator<TResource> : AbstractValidator<TResource>
     {
-        public IRuleBuilderInitial<TResource, TProperty> RuleForField<TProperty>(Expression<Func<TResource, IEnumerable<Field>>> fieldListAccessor, string filedName)
+        public IRuleBuilderInitial<TResource, TProperty> RuleForField<TProperty>(Expression<Func<TResource, IEnumerable<Field>>> fieldListAccessor, string fieldName)
         {
-            var rule = new PropertyRule(fieldListAccessor.GetMember(), c => GetValue(c, fieldListAccessor.Compile(), filedName), null, () => { return CascadeMode.Continue; }, typeof(TProperty), typeof(TResource));
-            rule.PropertyName += "." + filedName;
+            var rule = new PropertyRule(fieldListAccessor.GetMember(), c => GetValue(c, fieldListAccessor.Compile(), fieldName), null, () => CascadeMode.Continue, typeof(TProperty), typeof(TResource));
+            rule.PropertyName += "." + fieldName;
+            rule.DisplayName = new StaticStringSource(fieldName);
 
             AddRule(rule);
             return new RuleBuilder<TResource, TProperty>(rule);