diff --git a/README.md b/README.md
index f701e61..7c962dd 100644
--- a/README.md
+++ b/README.md
@@ -40,6 +40,7 @@ This command uses the `pkill` command to send a signal to all processes whose na
 
 You can set the following additional environment variables which smartsh can make use of:
 
-OPENAI_MODEL_ID: The model to use: Supported models are "text-davinci-003", "gpt-3.5-turbo"
+`OPENAI_MODEL_ID`: The model to use: Supported models are "text-davinci-003", "gpt-3.5-turbo"
     If the variable is not set, we use "gpt-3.5-turbo" by default
-SMARTSH_DEBUG : Will print additional debug info when running smartsh
+
+`SMARTSH_DEBUG` : Will print additional debug info when running smartsh