Update README.md

Author: VikramadityaDev

README.md

@@ -66,7 +66,7 @@ TexFusion AI app created by flutter framework and it is a new AI art generation
     </tr>
 </Table>
 
-## Contribution
+## Contributing
 Whether you have ideas, design changes, code cleaning, or really heavy code changes, help is always welcome. The more it is done, the better it gets! So feel free to create an issue and make a pull request.
 
 ## Contributors ✨
@@ -96,4 +96,4 @@ AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 SOFTWARE.
-```
+```