diff --git a/Documentation/RCU/stallwarn.rst b/Documentation/RCU/stallwarn.rst
index ca7b7cd806a1..30080ff6f406 100644
--- a/Documentation/RCU/stallwarn.rst
+++ b/Documentation/RCU/stallwarn.rst
@@ -249,7 +249,7 @@ ticks this GP)" indicates that this CPU has not taken any scheduling-clock
 interrupts during the current stalled grace period.
 
 The "idle=" portion of the message prints the dyntick-idle state.
-The hex number before the first "/" is the low-order 12 bits of the
+The hex number before the first "/" is the low-order 16 bits of the
 dynticks counter, which will have an even-numbered value if the CPU
 is in dyntick-idle mode and an odd-numbered value otherwise.  The hex
 number between the two "/"s is the value of the nesting, which will be