diff --git a/spec/instant.html b/spec/instant.html
index 069572cb7c..04157b1a0c 100644
--- a/spec/instant.html
+++ b/spec/instant.html
@@ -494,7 +494,7 @@ <h1>
       </h1>
       <dl class="header">
         <dt>description</dt>
-        <dd>It adds a duration in various time units to a number of nanoseconds since the epoch.</dd>
+        <dd>It adds a duration to a number of nanoseconds since the epoch.</dd>
       </dl>
       <emu-alg>
         1. Let _result_ be AddNormalizedTimeDurationToEpochNanoseconds(_norm_, _epochNanoseconds_).