part 3d

Author: pablo-maff

src/content/3/en/part3d.md

@@ -123,7 +123,7 @@ When the app is being developed, it is more than likely that something fails. Eg
 
 ![browser showing no notes appearing](../../images/3/fly-problem1.png)
 
-The network tab of the browser console revealed that fetching the notes did not succeed, the request just remained for a long time in the _pending_ state until it failed with statuscode 502.
+The network tab of the browser console revealed that fetching the notes did not succeed, the request just remained for a long time in the _pending_ state until it failed with status code 502.
 
 The browser console has to be open <i>all the time!</i>
 
@@ -135,11 +135,11 @@ The database url was _undefined_, so the command *fly secrets set MONGODB\_URI*
 
 When using Render, the database url is given by defining the proper env in the dashboard:
 
-![browser render showing the MONGODB_URI env variable](../../images/3/render-env.png)
+![render dashboard showing the MONGODB_URI env variable](../../images/3/render-env.png)
 
 The Render Dashboard shows the server logs:
 
-![render dashboard with arrow pointting to server running on port 10000](../../images/3/r7.png)
+![render dashboard with arrow pointing to server running on port 10000](../../images/3/r7.png)
 
 You can find the code for our current application in its entirety in the <i>part3-6</i> branch of [this GitHub repository](https://github.com/fullstack-hy2020/part3-notes-backend/tree/part3-6).
 
@@ -149,7 +149,7 @@ You can find the code for our current application in its entirety in the <i>part
 
 ### Exercises 3.19.-3.21.
 
-#### 3.19*: Phonebook database, step7
+#### 3.19*: Phonebook database, step 7
 
 Expand the validation so that the name stored in the database has to be at least three characters long.
 
@@ -173,7 +173,7 @@ You can display the default error message returned by Mongoose, even though they
 
 **NB:** On update operations, mongoose validators are off by default. [Read the documentation](https://mongoosejs.com/docs/validation.html) to determine how to enable them.
 
-#### 3.20*: Phonebook database, step8
+#### 3.20*: Phonebook database, step 8
 
 Add validation to your phonebook application, which will make sure that phone numbers are of the correct form. A phone number must:
 
@@ -292,7 +292,7 @@ It is recommended to create a separate _npm script_ for linting:
 
 Now the _npm run lint_ command will check every file in the project.
 
-Also the files in the <em>dist</em> directory get checked when the command is run. We do not want this to happen, and we can accomplish this by creating an [.eslintignore](https://eslint.org/docs/user-guide/configuring#ignoring-files-and-directories) file in the project's root with the following contents:
+Also the files in the <em>dist</em> directory get checked when the command is run. We do not want this to happen, and we can accomplish this by creating an [.eslintignore](https://eslint.org/docs/latest/use/configure/ignore#the-eslintignore-file) file in the project's root with the following contents:
 
 ```bash
 dist
@@ -355,7 +355,7 @@ Our default configuration takes a bunch of predetermined rules into use from <i>
 'extends': 'eslint:recommended',
 ```
 
-This includes a rule that warns about _console.log_ commands. [Disabling](https://eslint.org/docs/user-guide/configuring#configuring-rules) a rule can be accomplished by defining its "value" as 0 in the configuration file. Let's do this for the <i>no-console</i> rule in the meantime.
+This includes a rule that warns about _console.log_ commands. [Disabling](https://eslint.org/docs/latest/use/configure/rules) a rule can be accomplished by defining its "value" as 0 in the configuration file. Let's do this for the <i>no-console</i> rule in the meantime.
 
 ```js
 {
@@ -384,6 +384,7 @@ If there is something wrong in your configuration file, the lint plugin can beha
 Many companies define coding standards that are enforced throughout the organization through the ESlint configuration file. It is not recommended to keep reinventing the wheel over and over again, and it can be a good idea to adopt a ready-made configuration from someone else's project into yours. Recently many projects have adopted the Airbnb [Javascript style guide](https://github.com/airbnb/javascript) by taking Airbnb's [ESlint](https://github.com/airbnb/javascript/tree/master/packages/eslint-config-airbnb) configuration into use.
 
 You can find the code for our current application in its entirety in the <i>part3-7</i> branch of [this GitHub repository](https://github.com/fullstack-hy2020/part3-notes-backend/tree/part3-7).
+
 </div>
 
 <div class="tasks">