devices.txt: fix spelling mistake: "shapshot" -> "snapshot"

Fix spelling mistake in text.

Signed-off-by: Colin Ian King <colin.king@canonical.com>
Link: https://lore.kernel.org/r/20200110100427.236530-1-colin.king@canonical.com
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
diff --git a/Documentation/admin-guide/devices.txt b/Documentation/admin-guide/devices.txt
index 1c5d228..2a97aae 100644
--- a/Documentation/admin-guide/devices.txt
+++ b/Documentation/admin-guide/devices.txt
@@ -319,7 +319,7 @@
 		182 = /dev/perfctr	Performance-monitoring counters
 		183 = /dev/hwrng	Generic random number generator
 		184 = /dev/cpu/microcode CPU microcode update interface
-		186 = /dev/atomicps	Atomic shapshot of process state data
+		186 = /dev/atomicps	Atomic snapshot of process state data
 		187 = /dev/irnet	IrNET device
 		188 = /dev/smbusbios	SMBus BIOS
 		189 = /dev/ussp_ctl	User space serial port control