Update README.md

README.md

@@ -310,9 +310,33 @@ Marked: """
 
 # [('La', 'O'), ('defensa', 'O'), ('del', 'O'), ('antiguo', 'O'), ('responsable', 'O'), ('de', 'O'), ('la', 'O'), ('RFEF', 'B-ORG'), ('confirma', 'O'), ('que', 'O'), ('interpondrá', 'O'), ('un', 'O'), ('recurso.', 'O')]
 ```
+</details>
+
+
+### Grammar checker
+
+For fixing any mistakes in grammar, you can use the following prompt template:
+
+```
+Please fix any mistakes in the following {source} sentence or keep it unedited if it's correct.
+Sentence: {sentence}
+Corrected:
+```
+
+<details>
+<summary>Show an example</summary>
+
+```python
+source = 'Catalan'
+sentence = 'Entonses, el meu jefe m’ha dit que he de treballar els fins de setmana.'
+
+text = f"Please fix any mistakes in the following {source} sentence or keep it unedited if it's correct.\nSentence: {sentence} \nCorrected:"
 
+# Llavors, el meu cap m'ha dit que he de treballar els caps de setmana.
+```
 </details>
 
+
 ## Data
 
 ### Pretraining Data