diff --git a/content/posts/password-strength.md b/content/posts/password-strength.md
index 30f93f9..385b04f 100644
--- a/content/posts/password-strength.md
+++ b/content/posts/password-strength.md
@@ -9,6 +9,7 @@ tags:
- security
- fun
title: Becoming physically immune to brute-force attacks
+footnote_heading: References and endnotes
---
This is a tale of the intersection between thermal physics, cosmology, and a tiny
diff --git a/themes/etch-custom/layouts/_default/single.html b/themes/etch-custom/layouts/_default/single.html
index 54220f5..8fc6d7b 100644
--- a/themes/etch-custom/layouts/_default/single.html
+++ b/themes/etch-custom/layouts/_default/single.html
@@ -12,7 +12,7 @@
{{ end }}
- {{ .Content -}}
+ {{ partial "processed-content" . -}}
diff --git a/themes/etch-custom/layouts/partials/processed-content.html b/themes/etch-custom/layouts/partials/processed-content.html
new file mode 100644
index 0000000..414ce30
--- /dev/null
+++ b/themes/etch-custom/layouts/partials/processed-content.html
@@ -0,0 +1,7 @@
+{{ if .Params.footnote_heading -}}
+{{ $references := `(