Update README.md

Author: AJenbo

README.md

@@ -17,7 +17,7 @@ PHPantom focuses on completion and go-to-definition and aims to do them really w
 | Go-to-implementation | ✅ | ✅ | ✅ | ✅ | ✅ |
 | `@mixin` completion | ✅ | 💰 | ✅ | ✅ | ✅ |
 | `@phpstan-assert` narrowing | ✅ | ❌ | ✅ | ❌ | ⚠️ partial |
-| Conditional return types | ✅ | ❌ | ✅ | ❌ | ✅ |
+| Conditional return types | ✅ | ❌ | ✅ | ❌ | ⚠️ partial |
 | Array shape inference | ✅ | ❌ | ✅ | ❌ | ✅ |
 | Object shape completion | ✅ | ❌ | ✅ | ❌ | ✅ |
 | `@phpstan-type` aliases | ✅ | ❌ | ✅ | ❌ | ✅ |