diff --git a/config.js b/config.js
index cc4ab4c..ff79df3 100644
--- a/config.js
+++ b/config.js
@@ -1,6 +1,9 @@
 module.exports = {
   "typeScale": [
-    3, 2.25, 1.5, 1.25, 1, 0.875, 0.75
+    {value: 3, alias: "title"},
+    {value: 2.25, alias: "sub"},
+    {value: 1.5, alias: ["copy", "error"]},
+    1.25, 1, 0.875, 0.75
   ],
   "spacing": {
     "root": 8,
diff --git a/lib/docs-helper.js b/lib/docs-helper.js
index 65deb12..f7ff97f 100644
--- a/lib/docs-helper.js
+++ b/lib/docs-helper.js
@@ -10,10 +10,11 @@ const suffix = (idx) => {
   }
 }
 
-function step({ zeroth = '', nth = '' }, idx) {
+function step({ zeroth = '', nth = '' }, idx, alias) {
   if (idx === 0) { return `0 = 0${zeroth}` }
   const last = Math.abs(idx).toString().split('').reverse()[0]
 
+  if (alias) return `${idx} = ${alias}`
   return `${idx} = ${idx}${suffix(last)} step in ${nth}`
 }
 
diff --git a/lib/type-scale.js b/lib/type-scale.js
index 44d1be0..1967238 100644
--- a/lib/type-scale.js
+++ b/lib/type-scale.js
@@ -1,4 +1,5 @@
 const { step, mqSteps } = require('./docs-helper')
+const isObject = require('isobject')
 
 const docs = (steps, mqs) => `
 /*
@@ -9,7 +10,7 @@ const docs = (steps, mqs) => `
     f = font-size
 
   Modifiers:
-    ${ steps.map((_, idx) => step({ nth: 'size scale' }, idx + 1)).join('\n    ') }
+    ${ steps.map((s, idx) => step({ nth: 'size scale' }, idx + 1, s.alias)).join('\n    ') }
 
   Media Query Extensions:
     ${mqSteps(mqs)}
@@ -25,7 +26,16 @@ const css = typeScale => {
   return steps.join('\n')
 }
 
-const decl = (step, size) => `.f${step} { font-size: ${size}rem; }`
+const decl = (step, size) => {
+
+  let classNames = [step]
+
+  if (isObject(size)) {
+    classNames = classNames.concat(size.alias)
+    size = size.value
+  }
+  return `.f${classNames.join(', .f')} { font-size: ${size}rem; }`
+}
 
 module.exports = {
   css,