diff --git a/lib/PasswordGeneratorNode.html b/lib/PasswordGeneratorNode.html
index 6f1b099..0b0c329 100644
--- a/lib/PasswordGeneratorNode.html
+++ b/lib/PasswordGeneratorNode.html
@@ -52,7 +52,7 @@
     <h3>Configuration</h3>
     <dl class="message-properties">
         <dt>Length</dt>
-        <dd> Password length. </dd>
+        <dd> Password length. It must be 5 or bigger number. </dd>
         <dt>to</dt>
         <dd> The property to set generated password. </dd>
         <dt>Disable options</dt>