diff --git a/docs/index.html b/docs/index.html
index 4ae4d6c..f41319e 100644
--- a/docs/index.html
+++ b/docs/index.html
@@ -33,7 +33,7 @@ <h1>Footnote js</h1>
 </div>
 <div>
 See also <a href="otherUsage.html">the other one</a> to check how this library works in some cases.<br>
-＊NOTE: from v1.1, hover on the span wrapped word will show tool-chip
+＊NOTE: from v1.1, hover on the span wrapped word will show tooltip.
 </div>
 </body>
 </html>
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