diff --git a/public/img/book-solid.svg b/public/img/book-solid.svg
new file mode 100644
index 000000000..d3ed4bab3
--- /dev/null
+++ b/public/img/book-solid.svg
@@ -0,0 +1 @@
+<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 448 512"><!--! Font Awesome Pro 6.3.0 by @fontawesome - https://fontawesome.com License - https://fontawesome.com/license (Commercial License) Copyright 2023 Fonticons, Inc. --><path d="M96 0C43 0 0 43 0 96V416c0 53 43 96 96 96H384h32c17.7 0 32-14.3 32-32s-14.3-32-32-32V384c17.7 0 32-14.3 32-32V32c0-17.7-14.3-32-32-32H384 96zm0 384H352v64H96c-17.7 0-32-14.3-32-32s14.3-32 32-32zm32-240c0-8.8 7.2-16 16-16H336c8.8 0 16 7.2 16 16s-7.2 16-16 16H144c-8.8 0-16-7.2-16-16zm16 48H336c8.8 0 16 7.2 16 16s-7.2 16-16 16H144c-8.8 0-16-7.2-16-16s7.2-16 16-16z"/></svg>
\ No newline at end of file
diff --git a/public/index.html b/public/index.html
index 290b8f81d..2037cb100 100644
--- a/public/index.html
+++ b/public/index.html
@@ -364,7 +364,7 @@
                                 <img alt="" class="svg_icon" src="img/left-long-solid.svg">
                             </div>
                             <div id="advanced_div" class="menu_button" title="Advanced Definitions">
-                                <img alt="" class="svg_icon" src="img/user-pen-solid.svg">
+                                <img alt="" class="svg_icon" src="img/book-solid.svg">
                             </div>
                             <div id="export_button" class="menu_button" title="Export and Download">
                                 <img alt="" class="svg_icon" src="img/file-export-solid.svg">