Automated written corrective feedback helps students to get corrections for writing. Grammarly as an automated written corrective feedback becomes an innovative tool in the learning process. This paper provides the teacher’s experience in using automated written corrective feedback and how far the pedagogical affordance of AWCF is to promote students’ writing accuracy. This qualitative study conducts a semi-structured interview to collect the data and uses descriptive analysis to analyze the data. The result shows that automated written corrective feedback helps the process of learning. This research also finds that the student’s writing accuracy increased and this is a potential tool for sustainable learning.