Update README.md

Punctuation changes

Author: secuwity

README.md

@@ -44,7 +44,7 @@ puts(chat_completion)
 
 We provide support for streaming responses using Server-Sent Events (SSE).
 
-**coming soon:** `openai.chat.completions.stream` will soon come with Python SDK style higher level streaming responses support.
+**coming soon:** `openai.chat.completions.stream` will soon come with Python SDK-style higher-level streaming responses support.
 
 ```ruby
 stream = openai.chat.completions.stream_raw(
@@ -224,7 +224,7 @@ puts(chat_completion[: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
 
@@ -242,7 +242,7 @@ response = client.request(
 
 ### Concurrency & connection pooling
 
-The `OpenAI::Client` instances are threadsafe, but only are fork-safe when there are no in-flight HTTP requests.
+The `OpenAI::Client` instances are threadsafe, but are only fork-safe when there are no in-flight HTTP requests.
 
 Each instance of `OpenAI::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.