diff --git a/OAuth2-Backend-Approach.md b/OAuth2-Backend-Approach.md
index 9653e5c..0764754 100644
--- a/OAuth2-Backend-Approach.md
+++ b/OAuth2-Backend-Approach.md
@@ -19,21 +19,21 @@ A way for the `user` to tell `google` to give an access to `xorismesiti.gr` app
 
 1. Get Code
 
-    1. Front **GET** to Google `https://accounts.google.com/o/oauth2` with callback url
-    2. Google **302** to Back `https://xorismesiti.gr/api/auth/callback` with authorization code
+    1. Frontend **GET** to Google `https://accounts.google.com/o/oauth2` with callback url
+    2. Google **302** to Backend `https://xorismesiti.gr/api/auth/callback` with authorization code
 
 2. Exchange Code with Token
 
-    1. Back **POST** the `code` to Google `https://oauth2.googleapis.com/token`
-    2. Google **response** to Back with an `access_token` and a `refresh token`
-    3. Back **response** to Front with the `access_token` in a `cookie`
+    1. Backend **POST** the `code` to Google `https://oauth2.googleapis.com/token`
+    2. Google **response** to Backend with an `access_token` and a `refresh token`
+    3. Backend **response** to Frontend with the `access_token` in a `cookie`
 
 3. Use Token
 
-    1. Front **GET** profile data from Back `https://xorismesiti.gr/api/auth/profile` using the `cookie`
-    2. Back **GET** profile data from Google `https://www.googleapis.com/oauth2/v3/userinfo` using the `access_token` from Front `cookie`
-    3. Google **response** to Back with profile data
-    4. Back **response** to Front with profile data
+    1. Frontend **GET** profile data from Backend `https://xorismesiti.gr/api/auth/profile` using the `cookie`
+    2. Backend **GET** profile data from Google `https://www.googleapis.com/oauth2/v3/userinfo` using the `access_token` from Frontend `cookie`
+    3. Google **response** to Backend with profile data
+    4. Backend **response** to Frontend with profile data
 
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