[Update] Contributor text updated

src/about.py

@@ -86,7 +86,7 @@ CITATION_BUTTON_TEXT = r"""
 }
 """
 
-CONTRIBUTOR_BUTTON_LABEL = "Contributors are listed as followings:"
+CONTRIBUTOR_BUTTON_LABEL = "Contributors are listed as follows:"
 CONTRIBUTOR_BUTTON_TEXT = f"""
 • OPTML @ Michigan State University: 
 Sijia Liu, Yimeng Zhang, JInghan Jia, Aochuan Chen, Yihua Zhang, Jiacheng Liu