Enable mention to comment authors (#49)

diff --git a/migration/src/jira2github_import.py b/migration/src/jira2github_import.py
index 9262d3e..db6da81 100644
--- a/migration/src/jira2github_import.py
+++ b/migration/src/jira2github_import.py
@@ -143,7 +143,7 @@
 
             jira_comment_link = f'https://issues.apache.org/jira/browse/{jira_id}?focusedCommentId={comment_id}&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-{comment_id}'
                 
-            comment_body += f'[Legacy Jira: [{comment_author(comment_author_name, comment_author_dispname)} on {comment_time}]({jira_comment_link})]\n'
+            comment_body += f'[Legacy Jira: {comment_author(comment_author_name, comment_author_dispname)} on [{comment_time}]({jira_comment_link})]\n'
             data = {
                 "body": comment_body
             }