Update saas-mcp.mdx

Author: ranbel

src/content/docs/cloudflare-one/access-controls/ai-controls/saas-mcp.mdx

@@ -94,9 +94,7 @@ The Worker will be deployed to your `*.workers.dev` subdomain at `mcp-server-cf-
 5. Select **OIDC** as the authentication protocol.
 6. Select **Add application**.
 7. In **Redirect URLs**, enter the authorization callback URL for your MCP server. The callback URL for our [example MCP server](#1-deploy-an-example-mcp-server) is
-   `txt
-https://mcp-server-cf-access.<YOUR_SUBDOMAIN>.workers.dev/callback
-`
+   `https://mcp-server-cf-access.<YOUR_SUBDOMAIN>.workers.dev/callback`.
 8. Copy the following values to input into our example MCP server. Other MCP servers may require different sets of input values.
    - **Client secret**
    - **Client ID**