docs: fix one issue in qcow2 specs

Signed-off-by: Zhi Yong Wu <wuzhy@linux.vnet.ibm.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>

diff --git a/docs/specs/qcow2.txt b/docs/specs/qcow2.txt
index 65e632555f620a4d236d8811c6abc0ed26f82eaf..87bf785fe080f9b5f524e79bbe2b624308b0605d 100644 (file)
--- a/docs/specs/qcow2.txt
+++ b/docs/specs/qcow2.txt
@@ -262,7 +262,7 @@ Standard Cluster Descriptor:
         56 - 61:    Reserved (set to 0)
 
 
-Compressed Clusters Descriptor (x = 62 - (cluster_size - 8)):
+Compressed Clusters Descriptor (x = 62 - (cluster_bits - 8)):
 
     Bit  0 -  x:    Host cluster offset. This is usually _not_ aligned to a
                     cluster boundary!