Fix a small spelling error in the dm.blkdiscard docs
@@ -325,7 +325,7 @@ Currently supported options are:
Enables or disables the use of blkdiscard when removing devicemapper
devices. This is enabled by default (only) if using loopback devices and is
- required to res-parsify the loopback file on image/container removal.
+ required to resparsify the loopback file on image/container removal.
Disabling this on loopback can lead to *much* faster container removal
times, but will make the space used in `/var/lib/docker` directory not be
