1 files changed, 4 insertions, 0 deletions
diff --git a/tests/hello_world.js b/tests/hello_world.js
index 24bc0fdd..091b10fc 100644
--- a/tests/hello_world.js
+++ b/tests/hello_world.js
@@ -41,6 +41,10 @@ if (ENVIRONMENT_IS_NODE) {
   }
 
 } else if (ENVIRONMENT_IS_WEB) {
+  // Warning: We do not override print here, so that you can define it before
+  //          this code runs. However, if you do not define it and it is actually
+  //          called, it will try to print to a printer, and/or give odd errors.
+
   printErr = function(x) {
     console.log(x);
   };