[PATCH] Documentation: fix typo in root= kernel parameter description

[Petr Vaněk]

Fixes a typo in the root= parameter description, changing
"this a a" to "this is a".

Fixes: c0c1a7dcb6f5 ("init: move the nfs/cifs/ram special cases out of name_to_dev_t")
Signed-off-by: Petr Vaněk <arkamar@xxxxxxxx>
---
 Documentation/admin-guide/kernel-parameters.txt | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt
index 5e351ac52cca..6049a2f30baf 100644
--- a/Documentation/admin-guide/kernel-parameters.txt
+++ b/Documentation/admin-guide/kernel-parameters.txt
@@ -6224,7 +6224,7 @@
 			port and the regular usb controller gets disabled.
 
 	root=		[KNL] Root filesystem
-			Usually this a a block device specifier of some kind,
+			Usually this is a block device specifier of some kind,
 			see the early_lookup_bdev comment in
 			block/early-lookup.c for details.
 			Alternatively this can be "ram" for the legacy initial
-- 
2.48.1