diff --git a/Documentation/fault-injection/fault-injection.txt b/Documentation/fault-injection/fault-injection.txt
index 70f924ec1e58..ba4be8b77093 100644
--- a/Documentation/fault-injection/fault-injection.txt
+++ b/Documentation/fault-injection/fault-injection.txt
@@ -121,7 +121,7 @@ use the boot option:
 	failslab=
 	fail_page_alloc=
 	fail_make_request=
-	fail_mmc_request=<interval>,<probability>,<space>,<times>
+	mmc_core.fail_request=<interval>,<probability>,<space>,<times>
 
 How to add new fault injection capability
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