diff --git a/README.md b/README.md
index 1ecf313..97e6f83 100644
--- a/README.md
+++ b/README.md
@@ -29,7 +29,7 @@ To successfully make a call against Azure OpenAI, you'll need the following:
 
 **Format：**
 
-`AZURE_OPENAI_MODEL_MAPPER`: \<OpenAI Model Name\>= \<Azure OpenAI deployment model name\>
+`AZURE_OPENAI_MODEL_MAPPER`: \<OpenAI Model Name\>=\<Azure OpenAI deployment model name\>
 
 OpenAI Model Names: https://platform.openai.com/docs/models
 
@@ -37,7 +37,7 @@ Azure Deployment Names: **Resource Management** > **Deployments**
 
 **Example:**
 
-````shell
+````yaml
 AZURE_OPENAI_MODEL_MAPPER: gpt-3.5-turbo=azure-gpt-35
 ````