diff -r 123804a72a8f Doc/library/binascii.rst
--- a/Doc/library/binascii.rst	Fri Nov 01 14:24:28 2013 -0700
+++ b/Doc/library/binascii.rst	Sat Nov 02 12:19:35 2013 +0800
@@ -145,7 +145,7 @@
 
    Return the hexadecimal representation of the binary *data*.  Every byte of
    *data* is converted into the corresponding 2-digit hex representation.  The
-   resulting string is therefore twice as long as the length of *data*.
+   resulting bytes is therefore twice as long as the length of *data*.
 
 
 .. function:: a2b_hex(hexstr)
diff -r 123804a72a8f Modules/binascii.c
--- a/Modules/binascii.c	Fri Nov 01 14:24:28 2013 -0700
+++ b/Modules/binascii.c	Sat Nov 02 12:19:35 2013 +0800
@@ -1120,7 +1120,7 @@
 }
 
 PyDoc_STRVAR(doc_hexlify,
-"b2a_hex(data) -> s; Hexadecimal representation of binary data.\n\
+"b2a_hex(data) -> s; Hexadecimal representation of binary data in bytes.\n\
 \n\
 This function is also available as \"hexlify()\".");