docs: grammar improvements

Author: secuwity

SECURITY.md

@@ -2,7 +2,7 @@
 
 ## Reporting Security Issues
 
-This SDK is generated by [Stainless Software Inc](http://stainless.com). Stainless takes security seriously, and encourages you to report any security vulnerability promptly so that appropriate action can be taken.
+This SDK is generated by [Stainless Software Inc](http://stainless.com). Stainless takes security seriously and encourages you to report any security vulnerability promptly so that appropriate action can be taken.
 
 To report a security issue, please contact the Stainless team at [email protected].
 
@@ -16,13 +16,13 @@ before making any information public.
 ## Reporting Non-SDK Related Security Issues
 
 If you encounter security issues that are not directly related to SDKs but pertain to the services
-or products provided by OpenAI please follow the respective company's security reporting guidelines.
+or products provided by OpenAI, please follow the respective company's security reporting guidelines.
 
 ### OpenAI Terms and Policies
 
 Our Security Policy can be found at [Security Policy URL](https://openai.com/policies/coordinated-vulnerability-disclosure-policy).
 
-Please contact [email protected] for any questions or concerns regarding security of our services.
+Please contact [email protected] for any questions or concerns regarding the security of our services.
 
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