Update part4.md bearer -> Bearer

changed bearer -> Bearer

Author: gabrielyangzon

src/content/4/en/part4d.md

@@ -223,7 +223,7 @@ if (!decodedToken.id) {
 
 When the identity of the maker of the request is resolved, the execution continues as before. 
 
-A new note can now be created using Postman if the <i>authorization</i> header is given the correct value, the string <i>bearer eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ</i>, where the second value is the token returned by the <i>login</i> operation. 
+A new note can now be created using Postman if the <i>authorization</i> header is given the correct value, the string <i>Bearer eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ</i>, where the second value is the token returned by the <i>login</i> operation. 
 
 Using Postman this looks as follows: