diff --git a/index.html b/index.html
index 751783e..7b8c941 100644
--- a/index.html
+++ b/index.html
@@ -134,7 +134,7 @@ <h1>L-system curves</h1>
               data-name="H-indexing"
               data-creator="oneearedrabbit"
               data-creation-date="2024-02-12"
-              data-description="A new two-dimensional (2-D) indexing scheme called H-indexing, which has superior (possibly optimal) locality in comparison with the well-known Hilbert indexings. H-indexings form a Hamiltonian cycle and we prove that they are optimally locality-preserving among all cyclic indexings."
+              data-description="A new two-dimensional (2-D) indexing scheme called H-indexing, which has superior (possibly optimal) locality in comparison with the well-known Hilbert indexings. H-indexings form a Hamiltonian cycle that are optimally locality-preserving among all cyclic indexings."
           >
               order = 4
               angle = 90
@@ -494,6 +494,19 @@ <h1>L-system curves</h1>
           </web-fractal>
       </div>
 
+      <div class="box">
+          <web-fractal
+              data-name="Spiral"
+              data-creation-date="2024-07-03"
+          >
+              order = 20
+              angle = 90
+
+              A => A+BF+BF
+              B => BF
+          </web-fractal>
+      </div>
+
       <!-- https://fedimser.github.io/l-systems.html -->
       <div class="box">
           <web-fractal