Document subscriptions (#3525)

website/src/docs/hotchocolate/api-reference/extending-filtering.md

@@ -72,7 +72,7 @@ This convention is also configurable with a fluent interface, so in most cases y
 ## Descriptor
 
 Most of the capabilities of the descriptor are already documented under `Fetching Data -> Filtering`.
-If you have not done this already, it is now the right time to head over to [Filtering](https://chillicream.com/docs/hotchocolate/fetching-data/filtering) and read the parts about the `FilterConventions`
+If you have not done this already, it is now the right time to head over to [Filtering](/docs/hotchocolate/fetching-data/filtering) and read the parts about the `FilterConventions`
 
 There are two things on this descriptor that are not documented in `Fetching Data`:
 
@@ -284,8 +284,7 @@ A little simplified this is what happens during visitation:
 ```graphql
 {
   users(
-    where: # instance[0] = x # Create SCOPE 1 with parameter x of type User
-    # level[0] = []
+    where: # level[0] = [] # instance[0] = x # Create SCOPE 1 with parameter x of type User
     {
       # Push property User.Company onto the scope
       # instance[1] =  x.Company

website/src/docs/hotchocolate/api-reference/filtering.md

@@ -1462,7 +1462,7 @@ private static bool TryCreateStringFilter(
     IFilterConvention filterConventions,
     [NotNullWhen(true)] out FilterFieldDefintion? definition)
 {
-    if (type == typeof())
+    if (type == typeof(string))
     {
         var field = new StringFilterFieldDescriptor(context, property, filterConventions);
         definition = field.CreateDefinition();
@@ -1646,14 +1646,14 @@ public static class DateTimeFilterConventionExtensions
 `DateTime` is a new filter. Hot Chocolate is only aware of its existence because of the delegate passed to `AddImplicitFilter`
 
 ```csharp
-private static bool TryCreateDateTimeFiler(
+private static bool TryCreateDateTimeFilter(
     IDescriptorContext context,
     Type type,
     PropertyInfo property,
     IFilterConvention filterConventions,
     [NotNullWhen(true)] out FilterFieldDefintion? definition)
 {
-    if (type == typeof())
+    if (type == typeof(DateTime))
     {
         var field = new DateTimeFilterFieldDescriptor(
           context, property, filterConventions);