Fix typos in FromKeyedServicesAttribute.Key documentation remarks (#11866)

Author: Copilot

xml/Microsoft.Extensions.DependencyInjection/FromKeyedServicesAttribute.xml

@@ -96,8 +96,8 @@
             The key of the keyed service to bind to.
             </summary>
         <value>To be added.</value>
-        <remarks>A <see langword="null" /> value with indicates there is not a key and just the parameter type is used to resolve the service.
-            This is useful for DI implementations that require an explict way to declare that the parameter should be resolved for unkeyed services.
+        <remarks>A <see langword="null" /> value indicates there is not a key and just the parameter type is used to resolve the service.
+            This is useful for DI implementations that require an explicit way to declare that the parameter should be resolved for unkeyed services.
             A <see langword="null" /> value is also used along with <see cref="P:Microsoft.Extensions.DependencyInjection.FromKeyedServicesAttribute.LookupMode" /> set to <see cref="F:Microsoft.Extensions.DependencyInjection.ServiceKeyLookupMode.InheritKey" /> to indicate that the key should be inherited from the parent scope.
             </remarks>
       </Docs>