diff --git a/assets/js/src/tooltip.js b/assets/js/src/tooltip.js
new file mode 100644
index 0000000000..50707cda64
--- /dev/null
+++ b/assets/js/src/tooltip.js
@@ -0,0 +1,12 @@
+const cmds = document.querySelectorAll(".language-dockerfile span.k");
+
+for (const cmd of cmds) {
+  const name = cmd.textContent;
+  const a = document.createElement("a")
+  a.classList.add("underline","underline-offset-4","decoration-dashed","cursor-pointer")
+  a.title = `Learn more about the ${name} instruction`
+  a.href = `/engine/reference/builder/#${name.toLowerCase()}`
+  a.innerHTML = cmd.outerHTML
+  cmd.insertAdjacentElement("beforebegin", a)
+  cmd.remove()
+}
diff --git a/tailwind.config.js b/tailwind.config.js
index a3d3398ddf..18e4994561 100644
--- a/tailwind.config.js
+++ b/tailwind.config.js
@@ -1,6 +1,6 @@
 /** @type {import('tailwindcss').Config} */
 module.exports = {
-  content: ["./hugo_stats.json","./layouts/**/*.{html,js}", "./content/**/*.md"],
+  content: ["./hugo_stats.json","./layouts/**/*.{html,js}", "./content/**/*.md", "assets/js/**/*.js"],
   darkMode: "class",
   theme: {
     extend: {