From: Vivek Yadav <vivekyadav1207731111@gmail.com>

Fix kernel-doc warning in kernel-parameters.txt

WARNING: Possible repeated word: 'is'

```
[command]
./scripts/checkpatch.pl --strict -f Documentation/admin-guide/kernel-parameters.txt

[output]
WARNING: Possible repeated word: 'is'
+            The format is is "trace_trigger=<event>.<trigger>[ if <filter>],..."

total: 0 errors, 1 warnings, 0 checks, 8339 lines checked
```

Signed-off-by: Vivek Yadav <vivekyadav1207731111@gmail.com>
---
 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 747a55abf..302145870 100644
--- a/Documentation/admin-guide/kernel-parameters.txt
+++ b/Documentation/admin-guide/kernel-parameters.txt
@@ -7506,7 +7506,7 @@
 			Set a trigger on top of a specific event, with an optional
 			filter.
 
-			The format is is "trace_trigger=<event>.<trigger>[ if <filter>],..."
+			The format is "trace_trigger=<event>.<trigger>[ if <filter>],..."
 			Where more than one trigger may be specified that are comma deliminated.
 
 			For example:
-- 
2.25.1