Issue #18336. Fix a link to StreamReader's read() method.
diff --git a/Doc/library/codecs.rst b/Doc/library/codecs.rst
index e80fc3a..fcef948 100644
--- a/Doc/library/codecs.rst
+++ b/Doc/library/codecs.rst
@@ -694,7 +694,7 @@
       Read one line from the input stream and return the decoded data.
 
       *size*, if given, is passed as size argument to the stream's
-      :meth:`readline` method.
+      :meth:`read` method.
 
       If *keepends* is false line-endings will be stripped from the lines
       returned.