diff --git a/main.html b/main.html
index 1004f27740..2e1c0ff3cd 100644
--- a/main.html
+++ b/main.html
@@ -74,7 +74,7 @@
       <input type="text" id="calculator_output" readonly>
 
       <p>Supported suffixes: %kMGTcmunp</p>
-      <p>Supported operations: ^ * / + - || ()</p>
+      <p>Supported operations: ^ * / + - ()</p>
     </div>
 
 <script>