Small installation error

Author: suryagowda

CONTRIBUTING.md

@@ -38,7 +38,7 @@ git clone https://github.com/CCExtractor/Flood_Mobile.git
 2. Navigate to project's root directory:
 
 ```bash
-cd flood_mobile
+cd Flood_Mobile
 ```
 
 3. Check for Flutter setup and connected devices:
@@ -98,4 +98,4 @@ ___
 3. Add all files(`git add .`)
 3. Commit your Changes (`git commit -m 'Add some AmazingFeature'`)
 4. Push to the Branch (`git push origin feature/AmazingFeature`)
-5. Open a Pull Request in the **develop branch**
+5. Open a Pull Request in the **develop branch**