Update README.md

README.md

@@ -171,7 +171,9 @@ Python，但估计听说过这门语言的读者很少。
 部分，也拥有自己的全局命名空间。内置名称实际上也在模块里，即
 "builtins" 。
 '''
-# chunk the text. The prob_threshold should be between (0, 1). The lower it is, the more chunks will be generated.
+# Chunk the text. The prob_threshold should be between (0, 1). The lower it is, the more chunks will be generated.
+# Therefore adjust it to your need, when prob_threshold is small like 0.000001, one token is one chunk,
+# when it is set to 1, no chunk will be generated.
 chunks, token_pos = chunk_text(model, doc, tokenizer, prob_threshold=0.5)
 
 # print chunks