diff --git a/unit-testing.html b/unit-testing.html
index f1eaf9d..2ffc112 100755
--- a/unit-testing.html
+++ b/unit-testing.html
@@ -148,7 +148,7 @@ def to_roman(n):
 <samp class=p>you@localhost:~/diveintopython3/examples$ </samp><kbd>python3 romantest1.py -v</kbd>
 <a><samp>test_to_roman_known_values (__main__.KnownValues)</samp>                      <span class=u>&#x2460;</span></a>
 <a><samp>to_roman should give known result with known input ... FAIL</samp>            <span class=u>&#x2461;</span></a>
-
+<samp>
 ======================================================================
 FAIL: to_roman should give known result with known input
 ----------------------------------------------------------------------