diff --git a/README.md b/README.md
index 8986e64..a04c41e 100644
--- a/README.md
+++ b/README.md
@@ -69,7 +69,7 @@ The `Rfc1035StubResolver` (which is the default resolver shipping with that pack
 
 ```php
 EventLoop::repeat(600, function () use ($resolver) {
-    Amp\Dns\resolver()->reloadConfig();
+    Amp\Dns\dnsResolver()->reloadConfig();
 });
 ```
 
diff --git a/examples/custom-config.php b/examples/custom-config.php
index 9e3d2a9..43e75cd 100644
--- a/examples/custom-config.php
+++ b/examples/custom-config.php
@@ -16,7 +16,7 @@ $customConfigLoader = new class implements Dns\DnsConfigLoader {
     }
 };
 
-Dns\resolver(new Dns\Rfc1035StubDnsResolver(null, $customConfigLoader));
+Dns\dnsResolver(new Dns\Rfc1035StubDnsResolver(null, $customConfigLoader));
 
 $hostname = $argv[1] ?? "amphp.org";
 
diff --git a/src/functions.php b/src/functions.php
index e81f9b2..06ea9c2 100644
--- a/src/functions.php
+++ b/src/functions.php
@@ -5,27 +5,27 @@ namespace Amp\Dns;
 use Revolt\EventLoop;
 
 /**
- * Retrieve the application-wide dns resolver instance.
+ * Retrieve the application-wide DNS resolver instance.
  *
- * @param DnsResolver|null $resolver Optionally specify a new default dns resolver instance
+ * @param DnsResolver|null $dnsResolver Optionally specify a new default DNS resolver instance
  *
- * @return DnsResolver Returns the application-wide dns resolver instance
+ * @return DnsResolver Returns the application-wide DNS resolver instance
  */
-function resolver(DnsResolver $resolver = null): DnsResolver
+function dnsResolver(DnsResolver $dnsResolver = null): DnsResolver
 {
     static $map;
     $map ??= new \WeakMap();
     $driver = EventLoop::getDriver();
 
-    if ($resolver) {
-        return $map[$driver] = $resolver;
+    if ($dnsResolver) {
+        return $map[$driver] = $dnsResolver;
     }
 
     return $map[$driver] ??= createDefaultResolver();
 }
 
 /**
- * Create a new dns resolver best-suited for the current environment.
+ * Create a new DNS resolver best-suited for the current environment.
  */
 function createDefaultResolver(): DnsResolver
 {
@@ -39,7 +39,7 @@ function createDefaultResolver(): DnsResolver
  */
 function resolve(string $name, int $typeRestriction = null): array
 {
-    return resolver()->resolve($name, $typeRestriction);
+    return dnsResolver()->resolve($name, $typeRestriction);
 }
 
 /**
@@ -49,7 +49,7 @@ function resolve(string $name, int $typeRestriction = null): array
  */
 function query(string $name, int $type): array
 {
-    return resolver()->query($name, $type);
+    return dnsResolver()->query($name, $type);
 }
 
 /**
diff --git a/test/IntegrationTest.php b/test/IntegrationTest.php
index 2cda9c1..f7bace8 100644
--- a/test/IntegrationTest.php
+++ b/test/IntegrationTest.php
@@ -36,7 +36,7 @@ class IntegrationTest extends AsyncTestCase
     public function testWorksAfterConfigReload(): void
     {
         Dns\query("google.com", DnsRecord::A);
-        self::assertInstanceOf(Dns\DnsConfig::class, Dns\resolver()->reloadConfig());
+        self::assertInstanceOf(Dns\DnsConfig::class, Dns\dnsResolver()->reloadConfig());
         self::assertIsArray(Dns\query("example.com", DnsRecord::A));
     }
 
@@ -82,7 +82,7 @@ class IntegrationTest extends AsyncTestCase
             ->method('loadConfig')
             ->willReturn($config);
 
-        Dns\resolver(new Dns\Rfc1035StubDnsResolver(null, $configLoader));
+        Dns\dnsResolver(new Dns\Rfc1035StubDnsResolver(null, $configLoader));
         $result = Dns\resolve('blog');
 
         $record = $result[0];
@@ -111,7 +111,7 @@ class IntegrationTest extends AsyncTestCase
             ->method('loadConfig')
             ->willReturn($config);
 
-        Dns\resolver(new Dns\Rfc1035StubDnsResolver(null, $configLoader));
+        Dns\dnsResolver(new Dns\Rfc1035StubDnsResolver(null, $configLoader));
         $this->expectException(DnsException::class);
         Dns\resolve('blog.');
     }