diff --git a/content/topic/unnatural-language-processing.md b/content/topic/unnatural-language-processing.md
index 0b2e756..be2ab3d 100644
--- a/content/topic/unnatural-language-processing.md
+++ b/content/topic/unnatural-language-processing.md
@@ -14,7 +14,7 @@ instrument (n.), from the Latin *instruere:* to "arrange, prepare, set in order;
 
 A new 'instrument / compositional / processing tool' that appropriates methods from speech-to-text and ASR as parameters for text and audio composition and experimentation.
 
-A public version of the {{<nosup>}}[word processor](http://instrument.machinelistening.exposed/){{</nosup>}} is now available with a range of preloaded transcripts.
+A public version of the {{<nosup>}}[word processor](http://instrument.machinelistening.exposed/){{</nosup>}} is now available with a range of preloaded transcripts. N.B. works best with Firefox.
 
 Learn more {{<nosup>}}[here](https://machinelistening.exposed/experiment/word-processor/){{</nosup>}}.