Minor corrections and grammar fixes

[photonguava]

What did this PR accomplish?

• Fixed typos and grammar across the Business Logic Testing section.
• Made some corrections and improved readability of some sentences across the Business Logic Testing section.

[github-actions[bot]]

The following links are broken: FILE:document/4-Web_Application_Security_Testing/10-Business_Logic_Testing/00-Introduction_to_Business_Logic.md [✖] https://www.researchgate.net/publication/220677013_Security_issues_in_online_games → Status: 403

[github-actions[bot]]

The following mistakes were identified:

/home/runner/work/wstg/wstg/document/4-Web_Application_Security_Testing/10-Business_Logic_Testing/00-Introduction_to_Business_Logic.md 75:45 ✖ Incorrect usage of the term: “Website”, use “site” instead terminology 82:12 ✖ Incorrect usage of the term: “Web Sites”, use “sites” instead terminology

/home/runner/work/wstg/wstg/document/4-Web_Application_Security_Testing/10-Business_Logic_Testing/01-Test_Business_Logic_Data_Validation.md 9:82 ✖ Incorrect usage of the term: “front end”, use “frontend” instead terminology 9:194 ✖ Incorrect usage of the term: “front end”, use “frontend” instead terminology 15:5 ✖ Incorrect usage of the term: “front end”, use “frontend” instead terminology 15:23 ✖ Incorrect usage of the term: “back end”, use “backend” instead terminology 19:161 ✖ Incorrect usage of the term: “front end”, use “frontend” instead terminology 28:61 ✖ Incorrect usage of the term: “website”, use “site” instead terminology 31:184 ✖ Incorrect usage of the term: “Internet”, use “internet” instead terminology 36:49 ✖ Incorrect usage of the term: “back end”, use “backend” instead terminology 46:11 ✖ Incorrect usage of the term: “front-end”, use “frontend” instead terminology

/home/runner/work/wstg/wstg/document/4-Web_Application_Security_Testing/10-Business_Logic_Testing/02-Test_Ability_to_Forge_Requests.md 9:67 ✖ Incorrect usage of the term: “front end”, use “frontend” instead terminology 9:128 ✖ Incorrect usage of the term: “back end”, use “backend” instead terminology

/home/runner/work/wstg/wstg/document/4-Web_Application_Security_Testing/10-Business_Logic_Testing/03-Test_Integrity_Checks.md 15:257 ✖ Incorrect usage of the term: “front end”, use “frontend” instead terminology 27:378 ✖ Incorrect usage of the term: “Internet”, use “internet” instead terminology

/home/runner/work/wstg/wstg/document/4-Web_Application_Security_Testing/10-Business_Logic_Testing/05-Test_Number_of_Times_a_Function_Can_Be_Used_Limits.md 36:191 ✖ Incorrect usage of the term: “back end”, use “backend” instead terminology

/home/runner/work/wstg/wstg/document/4-Web_Application_Security_Testing/10-Business_Logic_Testing/09-Test_Upload_of_Malicious_Files.md 19:364 ✖ Incorrect usage of the term: “back end”, use “backend” instead terminology 40:38 ✖ Incorrect usage of the term: “Internet”, use “internet” instead terminology

/home/runner/work/wstg/wstg/document/4-Web_Application_Security_Testing/10-Business_Logic_Testing/10-Test-Payment-Functionality.md 45:17 ✖ Incorrect usage of the term: “websites”, use “sites” instead terminology 45:264 ✖ Incorrect usage of the term: “website”, use “site” instead terminology 124:156 ✖ Incorrect usage of the term: “Paypal”, use “PayPal” instead terminology 150:303 ✖ Incorrect usage of the term: “website”, use “site” instead terminology 150:466 ✖ Incorrect usage of the term: “website”, use “site” instead terminology 162:41 ✖ Incorrect usage of the term: “website”, use “site” instead terminology 169:8 ✖ Incorrect usage of the term: “website”, use “site” instead terminology 169:291 ✖ Incorrect usage of the term: “website”, use “site” instead terminology 203:246 ✖ Incorrect usage of the term: “website”, use “site” instead terminology 209:143 ✖ Incorrect usage of the term: “website”, use “site” instead terminology

[github-actions[bot]]

The following links are broken: FILE:document/4-Web_Application_Security_Testing/10-Business_Logic_Testing/00-Introduction_to_Business_Logic.md [✖] https://www.researchgate.net/publication/220677013_Security_issues_in_online_games → Status: 403

[github-actions[bot]]

The following mistakes were identified:

/home/runner/work/wstg/wstg/document/4-Web_Application_Security_Testing/10-Business_Logic_Testing/00-Introduction_to_Business_Logic.md 75:45 ✖ Incorrect usage of the term: “Website”, use “site” instead terminology

[photonguava]

1) The link https://www.researchgate.net/publication/220677013_Security_issues_in_online_games, is not broken when opened in a browser but returns a 403 for some user agents (possibly the bot checking the link). 2) The linter picks up an the term "Website" used in the title of an external article.

[github-actions[bot]]

The following links are broken: FILE:document/4-Web_Application_Security_Testing/10-Business_Logic_Testing/00-Introduction_to_Business_Logic.md [✖] https://www.researchgate.net/publication/220677013_Security_issues_in_online_games → Status: 403

[github-actions[bot]]

The following mistakes were identified:

/home/runner/work/wstg/wstg/document/4-Web_Application_Security_Testing/10-Business_Logic_Testing/00-Introduction_to_Business_Logic.md 75:45 ✖ Incorrect usage of the term: “Website”, use “site” instead terminology

[photonguava]

@kingthorin Thanks for the review! Made the suggested changes now.