doc: fix ambiguous multiplier info in dd man page

* src/dd.c (usage): Add a comma which is significant for
the rewrapping done in man pages.

diff --git a/src/dd.c b/src/dd.c
index 440950ab74fcef74f1678edd7b773727b8cf3ac2..e75d3c249048d5e2b9260614cdd721a44919e382 100644 (file)
--- a/src/dd.c
+++ b/src/dd.c
@@ -581,7 +581,7 @@ Copy a file, converting and formatting according to the operands.\n\
       fputs (_("\
 \n\
 N and BYTES may be followed by the following multiplicative suffixes:\n\
-c =1, w =2, b =512, kB =1000, K =1024, MB =1000*1000, M =1024*1024, xM =M\n\
+c =1, w =2, b =512, kB =1000, K =1024, MB =1000*1000, M =1024*1024, xM =M,\n\
 GB =1000*1000*1000, G =1024*1024*1024, and so on for T, P, E, Z, Y.\n\
 \n\
 Each CONV symbol may be:\n\