Add note about incorrect date in heading of paper

index.html

@@ -261,6 +261,14 @@ <h3>Unpublished Manuscripts</h3>
           nodes in the original data in our embedding, I did not include results
           using the Kron Reduction as graph coarsening (removing/combining graph
           nodes) was not in the spirit of the paper's objective.
+          <br />
+          <br />
+          <i
+            >It may be noted that this paper was written and submitted in 2020,
+            despite the linked paper header reading 2021. The header there
+            contains the date when I compiled that version of the paper since I
+            had my LaTeX heading set to read the current date...</i
+          >
         </p>
       </div>
       <div class="pub">