chore(docs): grammar improvements

Author: stainless-app[bot]

README.md

@@ -172,7 +172,7 @@ puts(page[:my_undocumented_property])
 
 #### Undocumented request params
 
-If you want to explicitly send an extra param, you can do so with the `extra_query`, `extra_body`, and `extra_headers` under the `request_options:` parameter when making a request as seen in examples above.
+If you want to explicitly send an extra param, you can do so with the `extra_query`, `extra_body`, and `extra_headers` under the `request_options:` parameter when making a request, as seen in the examples above.
 
 #### Undocumented endpoints
 
@@ -190,7 +190,7 @@ response = client.request(
 
 ### Concurrency & connection pooling
 
-The `Lithic::Client` instances are threadsafe, but only are fork-safe when there are no in-flight HTTP requests.
+The `Lithic::Client` instances are threadsafe, but are only are fork-safe when there are no in-flight HTTP requests.
 
 Each instance of `Lithic::Client` has its own HTTP connection pool with a default size of 99. As such, we recommend instantiating the client once per application in most settings.
 
@@ -240,7 +240,7 @@ lithic.accounts.update(
   # …
 )
 
-# Literal values is also permissible:
+# Literal values are also permissible:
 lithic.accounts.update(
   state: :ACTIVE,
   # …

SECURITY.md

@@ -16,11 +16,11 @@ 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 Lithic please follow the respective company's security reporting guidelines.
+or products provided by Lithic, please follow the respective company's security reporting guidelines.
 
 ### Lithic Terms and Policies
 
-Please contact sdk-feedback@lithic.com for any questions or concerns regarding security of our services.
+Please contact sdk-feedback@lithic.com for any questions or concerns regarding the security of our services.
 
 ---