Promote KeyError to a first-class feature

README.md

@@ -43,7 +43,7 @@ first_name, last_name = full_name.split(" ")
 #    Did you mean?  @@full_name
 ```
 
-### NoMethodError
+### Correcting a Method Name
 
 ```ruby
 full_name = "Yuki Nishijima"
@@ -52,6 +52,15 @@ full_name.starts_with?("Y")
 #    Did you mean?  start_with?
 ```
 
+### Correcting a Hash key name
+
+```ruby
+hash = {foo: 1, bar: 2, baz: 3}
+hash.fetch(:fooo)
+# => KeyError: key not found: :fooo
+#    Did you mean?  :foo
+```
+
 ## Experimental Features
 
 Aside from the basic features above, the `did_you_mean` gem comes with experimental features. They can be enabled by calling `require 'did_you_mean/experimental'`.
@@ -69,15 +78,6 @@ require 'did_you_mean/experimental'
 #    Did you mean?  @full_name
 ```
 
-### Correcting a Hash Key Name
-
-```ruby
-hash = {foo: 1, bar: 2, baz: 3}
-hash.fetch(:fooo)
-# KeyError: key not found: :fooo
-# Did you mean?  :foo
-```
-
 ### Displaying a Warning When `initialize` is Incorrectly Typed
 
 ```ruby