diff --git a/src/Rector/Contrib/PHPUnit/SpecificMethod/AssertCompareToSpecificMethodRector.php b/src/Rector/Contrib/PHPUnit/SpecificMethod/AssertCompareToSpecificMethodRector.php
index f79622e15c8..0a67dbf9345 100644
--- a/src/Rector/Contrib/PHPUnit/SpecificMethod/AssertCompareToSpecificMethodRector.php
+++ b/src/Rector/Contrib/PHPUnit/SpecificMethod/AssertCompareToSpecificMethodRector.php
@@ -11,20 +11,9 @@ use PhpParser\Node\Name;
 use Rector\NodeAnalyzer\MethodCallAnalyzer;
 use Rector\NodeChanger\IdentifierRenamer;
 use Rector\Rector\AbstractPHPUnitRector;
+use Rector\RectorDefinition\CodeSample;
+use Rector\RectorDefinition\RectorDefinition;
 
-/**
- * Before:
- * - $this->assertSame(10, count($anything), 'message');
- * - $this->assertSame($value, {function}($anything), 'message');
- * - $this->assertNotSame($value, {function}($anything), 'message');
- * - $this->assertEquals($value, {function}($anything), 'message');
- * - $this->assertNotEquals($value, {function}($anything), 'message');
- *
- * After:
- * - $this->assertCount(10, $anything, 'message');
- * - $this->assert{function}($value, $anything, 'message');
- * - $this->assertNot{function}($value, $anything, 'message');
- */
 final class AssertCompareToSpecificMethodRector extends AbstractPHPUnitRector
 {
     /**
@@ -58,6 +47,18 @@ final class AssertCompareToSpecificMethodRector extends AbstractPHPUnitRector
         $this->identifierRenamer = $identifierRenamer;
     }
 
+    public function getDefinition(): RectorDefinition
+    {
+        return new RectorDefinition('Turns vague php-only method in PHPUnit Test Case to more specific', [
+            new CodeSample('$this->assertSame(10, count($anything), "message");', '$this->assertCount(10, $anything, "message");'),
+            new CodeSample('$this->assertSame($value, {function}($anything), "message");', '$this->assert{function}($value, $anything, "message\");'),
+            new CodeSample('$this->assertEquals($value, {function}($anything), "message");', '$this->assert{function}($value, $anything, "message\");'),
+
+            new CodeSample('$this->assertNotSame($value, {function}($anything), "message");', '$this->assertNot{function}($value, $anything, "message")'),
+            new CodeSample('$this->assertNotEquals($value, {function}($anything), "message");', '$this->assertNot{function}($value, $anything, "message")'),
+        ]);
+    }
+
     public function isCandidate(Node $node): bool
     {
         if (! $this->isInTestClass($node)) {
diff --git a/src/Rector/Contrib/PHPUnit/SpecificMethod/AssertComparisonToSpecificMethodRector.php b/src/Rector/Contrib/PHPUnit/SpecificMethod/AssertComparisonToSpecificMethodRector.php
index d376de62a6e..b09036f09f7 100644
--- a/src/Rector/Contrib/PHPUnit/SpecificMethod/AssertComparisonToSpecificMethodRector.php
+++ b/src/Rector/Contrib/PHPUnit/SpecificMethod/AssertComparisonToSpecificMethodRector.php
@@ -9,16 +9,9 @@ use PhpParser\Node\Expr\MethodCall;
 use Rector\NodeAnalyzer\MethodCallAnalyzer;
 use Rector\NodeChanger\IdentifierRenamer;
 use Rector\Rector\AbstractPHPUnitRector;
+use Rector\RectorDefinition\CodeSample;
+use Rector\RectorDefinition\RectorDefinition;
 
-/**
- * - Before:
- * - $this->assertTrue($foo === $bar, 'message');
- * - $this->assertFalse($foo >= $bar, 'message');
- *
- * - After:
- * - $this->assertSame($bar, $foo, 'message');
- * - $this->assertLessThanOrEqual($bar, $foo, 'message');
- */
 final class AssertComparisonToSpecificMethodRector extends AbstractPHPUnitRector
 {
     /**
@@ -57,6 +50,14 @@ final class AssertComparisonToSpecificMethodRector extends AbstractPHPUnitRector
         $this->identifierRenamer = $identifierRenamer;
     }
 
+    public function getDefinition(): RectorDefinition
+    {
+        return new RectorDefinition('Turns === comparisons to their method name alternatives in PHPUnit Test Case', [
+            new CodeSample('$this->assertTrue($foo === $bar, "message");', '$this->assertSame($bar, $foo, "message");'),
+            new CodeSample('$this->assertFalse($foo >= $bar, "message");', '$this->assertLessThanOrEqual($bar, $foo, "message");'),
+        ]);
+    }
+
     public function isCandidate(Node $node): bool
     {
         if (! $this->isInTestClass($node)) {