diff --git a/docs/fundamentals/code-analysis/quality-rules/ca5391.md b/docs/fundamentals/code-analysis/quality-rules/ca5391.md
index 62e62a4953948..426814bd196c9 100644
--- a/docs/fundamentals/code-analysis/quality-rules/ca5391.md
+++ b/docs/fundamentals/code-analysis/quality-rules/ca5391.md
@@ -74,14 +74,14 @@ using Microsoft.AspNetCore.Mvc;
 class ExampleController : Controller
 {
     [HttpDelete]
-    public IActionResult ExampleAction (string actionName)
+    public IActionResult ExampleAction(string actionName)
     {
         return null;
     }
 
     [ValidateAntiForgeryToken]
     [HttpDelete]
-    public IActionResult AnotherAction (string actionName)
+    public IActionResult AnotherAction(string actionName)
     {
         return null;
     }
@@ -99,13 +99,13 @@ class ExampleController : Controller
 {
     [ValidateAntiForgeryToken]
     [HttpDelete]
-    public IActionResult AnotherAction (string actionName)
+    public IActionResult AnotherAction(string actionName)
     {
         return null;
     }
 
     [HttpDelete]
-    public IActionResult ExampleAction (string actionName)
+    public IActionResult ExampleAction(string actionName)
     {
         return null;
     }
@@ -113,7 +113,7 @@ class ExampleController : Controller
 
 class FilterClass : IAsyncAuthorizationFilter
 {
-    public Task OnAuthorizationAsync (AuthorizationFilterContext context)
+    public Task OnAuthorizationAsync(AuthorizationFilterContext context)
     {
         return null;
     }
@@ -121,9 +121,9 @@ class FilterClass : IAsyncAuthorizationFilter
 
 class BlahClass
 {
-    public static void BlahMethod ()
+    public static void BlahMethod()
     {
-        FilterCollection filterCollection = new FilterCollection ();
+        FilterCollection filterCollection = new FilterCollection();
         filterCollection.Add(typeof(FilterClass));
     }
 }
@@ -138,14 +138,14 @@ class ExampleController : Controller
 {
     [ValidateAntiForgeryToken]
     [HttpDelete]
-    public IActionResult ExampleAction ()
+    public IActionResult ExampleAction()
     {
         return null;
     }
 
     [ValidateAntiForgeryToken]
     [HttpDelete]
-    public IActionResult AnotherAction ()
+    public IActionResult AnotherAction()
     {
         return null;
     }