Update wording and add syntax highlighting in README

README.md

@@ -13,7 +13,7 @@ Container images are based on Alpine Linux and are available for these platforms
 The primary purposes for building yet another DDNS tool for updating Cloudflare records:
 - Many other solutions depend upon using a `Global` API token which is unacceptable for this singular purpose. This solution allows the use of a API token scoped with privileges to edit a single DNS zone.
   - Unforunately Cloudflare does not allow limiting the edit privileges to a single DNS record in a zone at this point.
-- Self-hosted option for receving DDNS updates from a router or other local source rather than depending on querying an external API for public IP address changes
+- Self-hosted option for receiving DDNS updates from a router or other local source rather than depending on an external service for detecting public IP address changes
 
 ---
 
@@ -50,7 +50,7 @@ curl "http://ddns-user:ddns-password@ddns.example.com:8080/nic/update?hostname=h
 
 #### Example docker-compose.yml file
 
-```
+```yaml
 services:
   ddns-cloudflare:
     container_name: ddns-cloudflare