diff --git a/pandas/io/parsers/readers.py b/pandas/io/parsers/readers.py
index 153899e023137..63364331e89f9 100644
--- a/pandas/io/parsers/readers.py
+++ b/pandas/io/parsers/readers.py
@@ -293,7 +293,8 @@
 
        ``TextFileReader`` is a context manager.
 chunksize : int, optional
-    Return ``TextFileReader`` object for iteration.
+    Number of lines to read from the file per chunk. Passing a value will cause the
+    function to return a ``TextFileReader`` object for iteration.
     See the `IO Tools docs
     <https://pandas.pydata.org/pandas-docs/stable/io.html#io-chunking>`_
     for more information on ``iterator`` and ``chunksize``.