Update README.md

README.md

@@ -31,12 +31,12 @@ It has been trained on images with their largest dimension equal to 768 pixels,
 The model achieves the following results:
 
 |       | set      | IoU   | F1    | AP@[.5] | AP@[.75] | AP@[.5,.95] |
-| ----- | -------- | ----- | ----- | ------- | -------- | ----------- |
+| ----- | -------- | ----: | ----: | ------: | -------: | ----------: |
 | HOME  | test     | 93.92 | 95.84 | 98.98   | 98.98    | 97.61       |
 | Horae | test     | 96.68 | 98.31 | 99.76   | 98.49    | 98.08       |
 | Horae | test-300 | 95.66 | 97.27 | 98.87   | 98.45    | 97.38       |
 
-## How to use
+## How to use?
 
 Please refer to the Doc-UFCN library page (https://pypi.org/project/doc-ufcn/) to use this model.