diff --git a/src/native-compile-cache.js b/src/native-compile-cache.js
index 1245d1f34..a930466a5 100644
--- a/src/native-compile-cache.js
+++ b/src/native-compile-cache.js
@@ -30,6 +30,9 @@ class NativeCompileCache {
   overrideModuleCompile () {
     let cacheStore = this.cacheStore
     let resolvedArgv = null
+    // Here we override Node's module.js
+    // (https://github.com/atom/node/blob/atom/lib/module.js#L378), changing
+    // only the bits that affect compilation in order to use the cached one.
     Module.prototype._compile = function (content, filename) {
       let self = this
       // remove shebang