diff --git a/steps/src/main/xml/steps/sleep.xml b/steps/src/main/xml/steps/sleep.xml
index 5a6f3d9..399f6f5 100644
--- a/steps/src/main/xml/steps/sleep.xml
+++ b/steps/src/main/xml/steps/sleep.xml
@@ -47,6 +47,11 @@ some example durations:
   <entry>3.5 seconds</entry>
   <entry></entry>
 </row>
+<row>
+  <entry><code>0.271</code></entry>
+  <entry>271 milliseconds</entry>
+  <entry></entry>
+</row>
 <row>
   <entry><code>PT3H1M41S</code></entry>
   <entry>3 hours, 1 minute, and 41 seconds</entry>