diff --git a/document/4-Web_Application_Security_Testing/08-Testing_for_Error_Handling/01-Testing_For_Improper_Error_Handling.md b/document/4-Web_Application_Security_Testing/08-Testing_for_Error_Handling/01-Testing_For_Improper_Error_Handling.md
index 7fe3674478..b01fc6665c 100644
--- a/document/4-Web_Application_Security_Testing/08-Testing_for_Error_Handling/01-Testing_For_Improper_Error_Handling.md
+++ b/document/4-Web_Application_Security_Testing/08-Testing_for_Error_Handling/01-Testing_For_Improper_Error_Handling.md
@@ -32,11 +32,11 @@ Improper error handling can allow attackers to:
 
 Errors are usually seen as benign as they provide diagnostics data and messages that could help the user understand the problem at hand, or for the developer to debug that error.
 
-By trying to send unexpected data, or forcing the system into certain edge cases and scenarios, the system or application will most of the times give out a bit on what's happening internally, unless the developers turned off all possible errors and return a certain custom message.
+By trying to send unexpected data, or forcing the system into certain edge cases and scenarios, the system or application will, most of the time, give out a bit on what's happening internally, unless the developers turned off all possible errors and return a certain custom message.
 
 ### Web Servers
 
-All web apps run on a web server, whether it was an integrated one or a full fledged one. Web apps must handle and parse HTTP requests, and for that a web server is always part of the stack. Some of the most famous web servers are NGINX, Apache, and IIS.
+All web apps run on a web server, whether it was an integrated one or a fully fledged one. Web apps must handle and parse HTTP requests, and for that a web server is always part of the stack. Some of the most famous web servers are Nginx, Apache, and IIS.
 
 Web servers have known error messages and formats. If one is not familiar with how they look, searching online for them would provide examples. Another way would be to look into their documentation, or simply setup a server locally and discover the errors by going through the pages that the web server uses.
 
@@ -71,7 +71,7 @@ For remediation, check out the [Proactive Controls C10](https://owasp.org/www-pr
 
 ## Playgrounds
 
-- [Juice Shop - Error Handling](https://pwning.owasp-juice.shop/part2/security-misconfiguration.html#provoke-an-error-that-is-neither-very-gracefully-nor-consistently-handled)
+- [Juice Shop - Error Handling](https://pwning.owasp-juice.shop/companion-guide/latest/part2/security-misconfiguration.html#provoke-an-error-that-is-neither-very-gracefully-nor-consistently-handled)
 
 ## References