tweak code comments; I wrote them and they still confused me

src/bin.ts

@@ -427,8 +427,8 @@ let guaranteedNonexistentDirectorySuffix = 0;
  * https://stackoverflow.com/questions/59865584/how-to-invalidate-cached-require-resolve-results
  */
 function requireResolveNonCached(absoluteModuleSpecifier: string) {
-  // node 12.0.0 and 12.1.0 fallback: The trick below triggers a node bug.
-  // On those node versions, pollute the require cache instead. This is a deliberate
+  // node <= 12.1.x fallback: The trick below triggers a node bug on old versions.
+  // On these old versions, pollute the require cache instead. This is a deliberate
   // ts-node limitation that will *rarely* manifest, and will not matter once node 12
   // is end-of-life'd on 2022-04-30
   const isSupportedNodeVersion = versionGteLt(process.versions.node, '12.2.0');