diff --git a/test/rt/nanos6/nanos6.toml b/test/rt/nanos6/nanos6.toml
index 1f7756b..3d9ed3f 100644
--- a/test/rt/nanos6/nanos6.toml
+++ b/test/rt/nanos6/nanos6.toml
@@ -7,7 +7,7 @@
 	# Possible values: "discrete", "regions"
 	dependencies = "discrete"
 	# Choose the instrumentation variant to run. Default is "none"
-	# Possible values: "none", "ctf", "extrae", "graph", "lint", "stats", "verbose"
+	# Possible values: "none", "ctf", "ovni", "extrae", "graph", "lint", "stats", "verbose"
 	instrument = "ovni"
 
 [turbo]
@@ -21,10 +21,10 @@
 	# Choose the task scheduling policy. Default is "fifo"
 	# Possible values: "fifo", "lifo"
 	policy = "fifo"
-	# Enable the immediate successor feature to improve cache data reutilization between successor
-	# tasks. If enabled, when a CPU finishes a task it starts executing the successor task (computed
-	# through their data dependencies). Default is true
-	immediate_successor = true
+	# Probability of enabling the immediate successor feature to improve cache data reutilization between
+	# successor tasks. If enabled, when a CPU finishes a task it starts executing the successor task
+	# (computed through their data dependencies). Default is 1.0
+	immediate_successor = 1.0
 	# Indicate whether the scheduler should consider task priorities defined by the user in the
 	# task's priority clause. Default is true
 	priority = true
diff --git a/test/rt/nodes/nanos6.toml b/test/rt/nodes/nanos6.toml
index 1f7756b..3d9ed3f 100644
--- a/test/rt/nodes/nanos6.toml
+++ b/test/rt/nodes/nanos6.toml
@@ -7,7 +7,7 @@
 	# Possible values: "discrete", "regions"
 	dependencies = "discrete"
 	# Choose the instrumentation variant to run. Default is "none"
-	# Possible values: "none", "ctf", "extrae", "graph", "lint", "stats", "verbose"
+	# Possible values: "none", "ctf", "ovni", "extrae", "graph", "lint", "stats", "verbose"
 	instrument = "ovni"
 
 [turbo]
@@ -21,10 +21,10 @@
 	# Choose the task scheduling policy. Default is "fifo"
 	# Possible values: "fifo", "lifo"
 	policy = "fifo"
-	# Enable the immediate successor feature to improve cache data reutilization between successor
-	# tasks. If enabled, when a CPU finishes a task it starts executing the successor task (computed
-	# through their data dependencies). Default is true
-	immediate_successor = true
+	# Probability of enabling the immediate successor feature to improve cache data reutilization between
+	# successor tasks. If enabled, when a CPU finishes a task it starts executing the successor task
+	# (computed through their data dependencies). Default is 1.0
+	immediate_successor = 1.0
 	# Indicate whether the scheduler should consider task priorities defined by the user in the
 	# task's priority clause. Default is true
 	priority = true