trivial: fix typos/grammar errors in Kconfig texts

Signed-off-by: Matt LaPlante <kernel1@cyberdogtech.com>
Acked-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
diff --git a/arch/powerpc/sysdev/bestcomm/Kconfig b/arch/powerpc/sysdev/bestcomm/Kconfig
index 0b192a1..29e4270 100644
--- a/arch/powerpc/sysdev/bestcomm/Kconfig
+++ b/arch/powerpc/sysdev/bestcomm/Kconfig
@@ -9,8 +9,8 @@
 	select PPC_LIB_RHEAP
 	help
 	  BestComm is the name of the communication coprocessor found
-	  on the Freescale MPC5200 family of processor. It's usage is
-	  optionnal for some drivers (like ATA), but required for
+	  on the Freescale MPC5200 family of processor.  Its usage is
+	  optional for some drivers (like ATA), but required for
 	  others (like FEC).
 
 	  If you want to use drivers that require DMA operations,