diff --git a/README.md b/README.md
index 2bef991..346d83c 100644
--- a/README.md
+++ b/README.md
@@ -95,17 +95,17 @@ $writtenEvents = $client->writeEvents([
 
 *Note that according to the CloudEvents standard, event IDs must be of type string.*
 
-#### Using the `isEventQlTrue` precondition
+#### Using the `isEventQlQueryTrue` precondition
 
-If you want to write events depending on an EventQL query, use the `IsEventQlTrue` function to create a precondition:
+If you want to write events depending on an EventQL query, use the `IsEventQlQueryTrue` function to create a precondition:
 
 ```php
-use Thenativeweb\Eventsourcingdb\IsEventQlTrue;
+use Thenativeweb\Eventsourcingdb\IsEventQlQueryTrue;
 
 $writtenEvents = $client->writeEvents([
   // events
 ], [
-  new IsEventQlTrue("FROM e IN events WHERE e.type == 'io.eventsourcingdb.library.book-borrowed' PROJECT INTO COUNT() < 10")
+  new IsEventQlQueryTrue("FROM e IN events WHERE e.type == 'io.eventsourcingdb.library.book-borrowed' PROJECT INTO COUNT() < 10")
 ]);
 ```
 
diff --git a/src/IsEventQlTrue.php b/src/IsEventQlQueryTrue.php
similarity index 75%
rename from src/IsEventQlTrue.php
rename to src/IsEventQlQueryTrue.php
index 776584d..dc777ab 100644
--- a/src/IsEventQlTrue.php
+++ b/src/IsEventQlQueryTrue.php
@@ -6,7 +6,7 @@
 
 use JsonSerializable;
 
-final readonly class IsEventQlTrue implements JsonSerializable
+final readonly class IsEventQlQueryTrue implements JsonSerializable
 {
     public function __construct(
         public string $query,
@@ -16,7 +16,7 @@ public function __construct(
     public function jsonSerialize(): array
     {
         return [
-            'type' => 'isEventQlTrue',
+            'type' => 'isEventQlQueryTrue',
             'payload' => [
                 'query' => $this->query,
             ],
diff --git a/tests/WriteEventsTest.php b/tests/WriteEventsTest.php
index 29820eb..0a4427f 100644
--- a/tests/WriteEventsTest.php
+++ b/tests/WriteEventsTest.php
@@ -5,7 +5,7 @@
 use PHPUnit\Framework\TestCase;
 use Thenativeweb\Eventsourcingdb\CloudEvent;
 use Thenativeweb\Eventsourcingdb\EventCandidate;
-use Thenativeweb\Eventsourcingdb\IsEventQlTrue;
+use Thenativeweb\Eventsourcingdb\IsEventQlQueryTrue;
 use Thenativeweb\Eventsourcingdb\IsSubjectOnEventId;
 use Thenativeweb\Eventsourcingdb\IsSubjectPristine;
 use Thenativeweb\Eventsourcingdb\Tests\ClientTestTrait;
@@ -139,7 +139,7 @@ public function testSupportsTheIsSubjectOnEventIdPrecondition(): void
         );
     }
 
-    public function testSupportsTheIsEventQlTruePrecondition(): void
+    public function testSupportsTheIsEventQlQueryTruePrecondition(): void
     {
         $firstEvent = new EventCandidate(
             source: 'https://www.eventsourcingdb.io',
@@ -169,7 +169,7 @@ public function testSupportsTheIsEventQlTruePrecondition(): void
                 $secondEvent,
             ],
             [
-                new IsEventQlTrue('FROM e IN events PROJECT INTO COUNT() == 0'),
+                new IsEventQlQueryTrue('FROM e IN events PROJECT INTO COUNT() == 0'),
             ],
         );
     }