diff --git a/script/build b/script/build
index 8eafe46f737..78a2fa2d41d 100755
--- a/script/build
+++ b/script/build
@@ -10,7 +10,7 @@ if (process.argv.includes('--no-bootstrap')) {
   require('./bootstrap')
 }
 
-// Needed so we can require src/module-cache.coffee during generateModuleCache
+// Required to load CS files in this build script, such as those in `donna`
 require('coffee-script/register')
 require('colors')