FIX #115283 Missing a period

Author: Rahil2507

articles/ai-services/openai/tutorials/embeddings.md

@@ -33,7 +33,7 @@ In this tutorial, you learn how to:
 ## Prerequisites
 
 * An Azure subscription - [Create one for free](https://azure.microsoft.com/free/cognitive-services?azure-portal=true)
-* Access granted to Azure OpenAI in the desired Azure subscription
+* Access granted to Azure OpenAI in the desired Azure subscription.
     Currently, access to this service is granted only by application. You can apply for access to Azure OpenAI by completing the form at <a href="https://aka.ms/oai/access" target="_blank">https://aka.ms/oai/access</a>. Open an issue on this repo to contact us if you have an issue.
 * <a href="https://www.python.org/" target="_blank">Python 3.7.1 or later version</a>
 * The following Python libraries: openai, num2words, matplotlib, plotly, scipy, scikit-learn, pandas, tiktoken.