Apply suggestions from code review

Author: kodster28

src/content/docs/1.1.1.1/faq.mdx

@@ -68,16 +68,16 @@ Cloudflare [stopped supporting the ANY query](https://blog.cloudflare.com/deprec
 1.1.1.1's Purge Cache tool allows you to refresh 1.1.1.1's DNS cache for domain names. To refresh the cache for a domain name, visit the [Purge Cache page](https://one.one.one.one/purge-cache/).
 
 
-## What is query name minimization
+## What is query name minimization?
 
 Cloudflare minimizes privacy leakage by only sending minimal query name to authoritative DNS servers. For example, if a client is looking for foo.bar.example.com, the only part of the query 1.1.1.1 discloses to .com is that we want to know who's responsible for example.com and the zone internals stay hidden.
 
 
-## What are root hints
+## What are root hints?
 
 For decreased latency, reduced privacy leakage of queries and lower load on the DNS system, 1.1.1.1 upstreams to [locally hosted root zone files](https://blog.cloudflare.com/f-root/).
 
-## Can IPs used by 1.1.1.1 be allowlisted
+## Can IPs used by 1.1.1.1 be allowlisted?
 
 Authoritative DNS providers may want to allowlist IP's 1.1.1.1 uses to query upstream DNS providers. The comprehensive list of IP's to allowlist is available at [https://www.cloudflare.com/ips/](https://www.cloudflare.com/ips/).