README.md

@@ -18,6 +18,13 @@ This will prompt for a string and classify it, then print (in JSON) a dict of
 the format `{category: probability, category:probability, ...}` to stdout. (For
 information about `-n <max_ngram_length>`, see section "Ngrams.")
 
+Alternatively, if you only need the most likely category, you can use this:
+
+    gptc classify [-n <max_ngram_length>] <-c|--category> <compiled model file>
+
+This will prompt for a string and classify it, outputting the category on
+stdout (or "None" if it cannot determine anything).
+
 ### Checking individual words or ngrams
 
     gptc check <compiled model file> <token or ngram>