diff --git a/docker/test/performance-comparison/report.py b/docker/test/performance-comparison/report.py
index eb110e0ab32..4cff6b41949 100755
--- a/docker/test/performance-comparison/report.py
+++ b/docker/test/performance-comparison/report.py
@@ -233,6 +233,10 @@ def tsvRows(n):
             for row in csv.reader(fd, delimiter="\t", quoting=csv.QUOTE_NONE):
                 new_row = []
                 for e in row:
+                    # The first one .encode('utf-8').decode('unicode-escape') decodes the escape characters from the strings.
+                    # The second one (encode('latin1').decode('utf-8')) fixes the changes with unicode vs utf-8 chars, so
+                    # 'Чем зÐ�нимаеÑ�ЬÑ�Ñ�' is transformed back into 'Чем зАнимаешЬся'.
+
                     new_row.append(e.encode('utf-8').decode('unicode-escape').encode('latin1').decode('utf-8'))
                 result.append(new_row)
         return result