Mention that flashrom can also verify flash contents

Corresponding to flashrom svn r451.

Signed-off-by: Peter Stuge <peter@stuge.se>
Acked-by: Peter Stuge <peter@stuge.se>
diff --git a/README b/README
index a272080..70abe0a 100644
--- a/README
+++ b/README
@@ -2,8 +2,8 @@
 flashrom README
 -------------------------------------------------------------------------------
 
-flashrom is a utility for reading, writing, and erasing flash ROM chips.
-It's often used to flash BIOS/coreboot/firmware images.
+flashrom is a utility for reading, writing, verifying and erasing flash ROM
+chips.  It's often used to flash BIOS/coreboot/firmware images.
 
 It supports a wide range of DIP32, PLCC32, DIP8, SO8/SOIC8, TSOP32, and
 TSOP40 chips, which use various protocols such as LPC, FWH, parallel flash,