Formatting
diff --git a/tools/profiling/microbenchmarks/bm_diff.py b/tools/profiling/microbenchmarks/bm_diff.py
index fa4cbf2..c794b13 100755
--- a/tools/profiling/microbenchmarks/bm_diff.py
+++ b/tools/profiling/microbenchmarks/bm_diff.py
@@ -212,5 +212,5 @@
text = 'Performance differences noted:\n' + tabulate.tabulate(rows, headers=headers, floatfmt='+.2f')
else:
text = 'No significant performance differences'
-comment_on_pr.comment_on_pr(text)
+comment_on_pr.comment_on_pr('```%s```' % text)
print text