diff --git a/aspnetcore/fundamentals/aot/request-delegate-generator/diagnostics/rdg010.md b/aspnetcore/fundamentals/aot/request-delegate-generator/diagnostics/rdg010.md
index e994ddcc7c..014374cab2 100644
--- a/aspnetcore/fundamentals/aot/request-delegate-generator/diagnostics/rdg010.md
+++ b/aspnetcore/fundamentals/aot/request-delegate-generator/diagnostics/rdg010.md
@@ -16,7 +16,7 @@ uid: fundamentals/aot/request-delegate-generator/diagnostics/rdg010
 
 ## Cause
 
-This diagnostic is emitted by the [Request Delegate Generator](/aspnet/core/fundamentals/aot/request-delegate-generator/rdg) when an endpoint contains a route handler with a parameter annotated with the  [`[AsParameters]`](xref:Microsoft.AspNetCore.Http.AsParametersAttribute) attribute that contains is nullable.
+This diagnostic is emitted by the [Request Delegate Generator](/aspnet/core/fundamentals/aot/request-delegate-generator/rdg) when an endpoint contains a route handler with a parameter annotated with the [`[AsParameters]`](xref:Microsoft.AspNetCore.Http.AsParametersAttribute) attribute that is marked as nullable.
 
 
 ### Rule description
@@ -27,7 +27,7 @@ The implementation of surrogate binding via the [`[AsParameters]`](xref:Microsof
 
 ## How to fix violations
 
-Declare the parameter as non nullable.
+Declare the parameter as non-nullable.
 
 :::code language="csharp" source="~/../AspNetCore.Docs.Samples/fundamentals/aot/diagnostics/Rdg10/Program.cs" id="snippet_1f" highlight="7":::