diff --git a/src/Expectation.php b/src/Expectation.php
index f46053fa..1e0f34ba 100644
--- a/src/Expectation.php
+++ b/src/Expectation.php
@@ -9,7 +9,7 @@ use PHPUnit\Framework\Assert;
 /**
  * @internal
  *
- * @property Expectation not Creates the opposite expectation.
+ * @property Expectation $not Creates the opposite expectation.
  */
 final class Expectation
 {
diff --git a/tests/.snapshots/success.txt b/tests/.snapshots/success.txt
index cf138b1c..ebc40173 100644
--- a/tests/.snapshots/success.txt
+++ b/tests/.snapshots/success.txt
@@ -145,6 +145,11 @@
    PASS  Tests\Expect\toEqual
   ✓ pass
   ✓ failures
+  ✓ not failures
+
+   PASS  Tests\Expect\toEqualCanonicalizing
+  ✓ pass
+  ✓ failures
   ✓ not failures
 
    PASS  Tests\Expect\toEqualWithDelta
@@ -332,5 +337,5 @@
    WARN  Tests\Visual\Success
   - visual snapshot of test suite on success
 
-  Tests:  6 skipped, 195 passed
-  Time:   5.27s
+  Tests:  6 skipped, 198 passed
+  Time:   5.46s