diff --git a/lib/build-pdf.js b/lib/build-pdf.js
index a3a0b6ab..7a579aaf 100644
--- a/lib/build-pdf.js
+++ b/lib/build-pdf.js
@@ -1,13 +1,20 @@
 const iterator = require("./iterator");
 const pdf = require("./pdf.js");
 
+const doc = process.argv[2];
+
 iterator(function (srcname, name, variant, meta) {
-  pdf(name, variant, meta)
+  if (doc && doc !== name) return;
+  pdf(name, variant, meta, doc === name)
     .then((refreshed) => {
-      console.log(refreshed ? "✓" : "=", srcname, variant);
+      console.log(
+        refreshed ? "✓" : "=",
+        srcname,
+        variant === "meta" ? "" : variant
+      );
     })
     .catch((error) => {
-      console.log("❌", srcname, variant);
+      console.log("❌", srcname, variant === "meta" ? "" : variant);
       console.error(error);
       process.exitCode = 1;
     });