Update README.rst

README.rst

@@ -21,6 +21,7 @@ How to install:
       from openai_cost_logger import OpenAICostLogger
       from openai_cost_logger import OpenAICostLoggerViz
       from openai_cost_logger import OpenAICostLoggerUtils
+      from openai_cost_logger import OpenAICostLogger_Singleton
       from openai_cost_logger import DEFAULT_LOG_PATH, MODELS_COST
 
 Key Features:
@@ -31,12 +32,12 @@ Key Features:
 
 Models supported:
 -------------------
-* The response generation is totally up to the user. The library support every model which response contains the fields **usage.prompt_tokens** and **usage.total_tokens** (e.g. chat completions, embeddings, etc.).
+* The generation of responses is totally up to the user. The library supports every model whose response contains the fields **usage.prompt_tokens** and **usage.total_tokens** (e.g. chat completions, embeddings, etc.).
 
 Multithreading:
 ---------------
 * Be aware that the classic cost logger is not thread-safe.
-* If you want to use it in a multithreading environment, you should use the **thread-safe** version of the logger: **OpenAICostLogger_Singleton**. The interface is the same as the classic logger. This will prevent multiple threads from writing to the same file at the same time.
+* If you want to use it in a multithreading environment, you should use the **thread-safe** version of the logger: ``OpenAICostLogger_Singleton``. The interface is the same as the classic logger. This will prevent multiple threads from writing to the same file at the same time.
 
 Note:
 -----