diff --git a/frappe/core/doctype/comment/comment.py b/frappe/core/doctype/comment/comment.py
index dd2d8e53e2..e7b495a863 100644
--- a/frappe/core/doctype/comment/comment.py
+++ b/frappe/core/doctype/comment/comment.py
@@ -149,8 +149,8 @@ def update_comments_in_parent(reference_doctype, reference_name, _comments):
 
 	try:
 		# use sql, so that we do not mess with the timestamp
-		frappe.db.sql("""update `tab%s` set `_comments`=%s where name=%s""" % (reference_doctype,
-			"%s", "%s"), (json.dumps(_comments), reference_name))
+		frappe.db.sql("""update `tab{0}` set `_comments`=%s where name=%s""".format(reference_doctype),
+			(json.dumps(_comments), reference_name))
 
 	except Exception as e:
 		if frappe.db.is_column_missing(e) and getattr(frappe.local, 'request', None):
diff --git a/frappe/templates/includes/comments/comments.py b/frappe/templates/includes/comments/comments.py
index e73ac3fd1a..8dd5039e36 100644
--- a/frappe/templates/includes/comments/comments.py
+++ b/frappe/templates/includes/comments/comments.py
@@ -30,7 +30,7 @@ def add_comment(comment, comment_email, comment_by, reference_doctype, reference
 	content = (doc.content
 		+ "<p><a href='{0}/desk/#Form/Comment/{1}' style='font-size: 80%'>{2}</a></p>".format(frappe.utils.get_request_site_address(),
 			doc.name,
-			route, _("View Comment")))
+			_("View Comment")))
 
 	# notify creator
 	frappe.sendmail(