update README file

README.md

@@ -200,8 +200,7 @@ We label our issues to help contributors find ones that match their skills and e
 | Easy/ Beginner/ Novice | Issues that are ideal for first-time contributors | ![DifficultyLevelEasy](https://img.shields.io/badge/DifficultyLevelEasy-green.svg?style=for-the-badge)|
 | Very Easy        | Simple issues that can be fixed quickly  | ![DifficultyLevelVeryEasy](https://img.shields.io/badge/DifficultyLevelVeryEasy-619B16?style=for-the-badge)|
 | Average/ Normal/ Medium/ Standard/ Intermediate          | Issues that require some understanding of the codebase  | ![DifficultyLevelAverage](https://img.shields.io/badge/DifficultyLevelAverage-DAD22C?style=for-the-badge&color=fbca04) |
- |
-| Hard/ Expert/ Difficult             | Issues that require a significant amount of time and effort | ![DifficultyLevelHard](https://img.shields.io/badge/DifficultyLevelHard-E1803C?style=for-the-badge&color=d93f0b)  |
+| Hard/ Expert/ Difficult             | Issues that require a significant amount of time and effort | ![DifficultyLevelHard](https://img.shields.io/badge/DifficultyLevelHard-E1803C?style=for-the-badge&color=d93f0b) |
 | Harder           | Very challenging issues that require advanced knowledge | ![DifficultyLevelHarder](https://img.shields.io/badge/DifficultyLevelHarder-C70039?style=for-the-badge)|