diff --git a/js/client/client.js b/js/client/client.js
index 74e7a94341..14883cea67 100644
--- a/js/client/client.js
+++ b/js/client/client.js
@@ -284,7 +284,7 @@ function start_pretty_print () {
   var internal = require("internal");
 
   if (! internal.PRETTY_PRINT) {
-    internal.print("use pretty printing");
+    internal.print("using pretty printing");
     internal.PRETTY_PRINT = true;
   }
 }
diff --git a/js/client/js-client.h b/js/client/js-client.h
index 54685239cb..3966f3ac38 100644
--- a/js/client/js-client.h
+++ b/js/client/js-client.h
@@ -285,7 +285,7 @@ static string JS_client_client =
   "  var internal = require(\"internal\");\n"
   "\n"
   "  if (! internal.PRETTY_PRINT) {\n"
-  "    internal.print(\"use pretty printing\");\n"
+  "    internal.print(\"using pretty printing\");\n"
   "    internal.PRETTY_PRINT = true;\n"
   "  }\n"
   "}\n"