diff --git a/spec/Overview.html b/spec/Overview.html
index 7b7f68a..a1b66e4 100644
--- a/spec/Overview.html
+++ b/spec/Overview.html
@@ -10931,6 +10931,13 @@ <h5>Import Key</h5>
                           {{SyntaxError}}.
                         </p>
                       </li>
+                      <li>
+                        <p>
+                          If the [= length in bits =] of |keyData|
+                          is not 256 then [= exception/throw =] a
+                          {{DataError}}.
+                        </p>
+                      </li>
                       <li>
                         <p>
                           Let |algorithm| be a new {{KeyAlgorithm}} object.
@@ -11775,6 +11782,13 @@ <h5>Import Key</h5>
                           {{SyntaxError}}.
                         </p>
                       </li>
+                      <li>
+                        <p>
+                          If the [= length in bits =] of |keyData|
+                          is not 256 then [= exception/throw =] a
+                          {{DataError}}.
+                        </p>
+                      </li>
                       <li>
                         <p>
                           Let |algorithm| be a new {{KeyAlgorithm}} object.