Merge pull request #1020 from honzajavorek/honzajavorek/fix-code-markup

fix: three small corrections in markup and code

Author: honzajavorek

sources/academy/webscraping/advanced_web_scraping/tips_and_tricks_robustness.md

@@ -106,7 +106,7 @@ Make sure your [CSS selectors](https://developer.mozilla.org/en-US/docs/Web/CSS/
 - Use element attributes with the **lowest probability of a future change**.
 - Completely **avoid or strip** selectors of values that are clearly **random**.
 - Completely **avoid or strip** selectors of values that are clearly **flexible**.
-- **Extend low-specificity** selectors to reduce the probability of **collisions****.
+- **Extend low-specificity** selectors to reduce the probability of **collisions**.
 
 Below is an example of stripping away too-specific parts of a selector that are likely random or subject to change.
 

sources/academy/webscraping/puppeteer_playwright/executing_scripts/injecting_code.md

@@ -119,7 +119,7 @@ const msg = await page.evaluate(() => returnMessage());
 
 console.log(msg);
 
-await page.waitForTimeout(20000);
+await page.waitForTimeout(10000);
 await browser.close();
 ```
 

sources/academy/webscraping/web_scraping_for_beginners/challenge/modularity.md

@@ -102,7 +102,7 @@ await crawler.run();
 log.info('Crawl finished.');
 ```
 
-One of the main reasons we **modularize** our code is to prevent massive and difficult to read files by separating concerns into separate files. In our **main.js** file, we're handling the initialization, configuration, and running of our crawler. In **routes.js**, we determine how the crawler should handle different routes, and in **consts.js** we define non-changing values that will be used throughout the project.
+One of the main reasons we **modularize** our code is to prevent massive and difficult to read files by separating concerns into separate files. In our **main.js** file, we're handling the initialization, configuration, and running of our crawler. In **routes.js**, we determine how the crawler should handle different routes, and in **constants.js** we define non-changing values that will be used throughout the project.
 
 Organized code makes everyone happy, including you - the one developing the scraper! Spaghetti is super awesome, [but not when it comes to programming](https://www.urbandictionary.com/define.php?term=spaghetti+code) 🍝