[POWERPC] arch/powerpc/: Spelling fixes

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
diff --git a/arch/powerpc/sysdev/bestcomm/bestcomm.h b/arch/powerpc/sysdev/bestcomm/bestcomm.h
index e802cb4..c960a8b 100644
--- a/arch/powerpc/sysdev/bestcomm/bestcomm.h
+++ b/arch/powerpc/sysdev/bestcomm/bestcomm.h
@@ -20,7 +20,7 @@
 
 
 /* ======================================================================== */
-/* Generic task managment                                                   */
+/* Generic task management                                                   */
 /* ======================================================================== */
 
 /**