Use instance variables in redirect_to

guides/source/getting_started.md

@@ -534,7 +534,7 @@ def create
   @post = Post.new(params[:post])
 
   @post.save
-  redirect_to post 
+  redirect_to @post 
 end
 ```
 
@@ -609,7 +609,7 @@ look like this:
     @post = Post.new(params[:post].permit(:title, :text))
 
     @post.save
-    redirect_to post
+    redirect_to @post
   end
 ```
 
@@ -763,7 +763,7 @@ def create
   @post = Post.new(params[:post].permit(:title, :text))
 
   if @post.save
-    redirect_to post 
+    redirect_to @post 
   else
     render 'new'
   end
@@ -900,7 +900,7 @@ def update
   @post = Post.find(params[:id])
 
   if @post.update(params[:post].permit(:title, :text))
-    redirect_to post
+    redirect_to @post
   else
     render 'edit'
   end