diff --git a/doc/clocks.md b/doc/clocks.md
index 3ec59f0c8..cab77a180 100644
--- a/doc/clocks.md
+++ b/doc/clocks.md
@@ -98,7 +98,7 @@ Maximal value: 0x7fffffff = 2147 s
 
 Can't be used at the same time as CountSspClk or Ticks functions.
 
-## Occasional TC0+TC1 SSP_CLK from FPGA / CountSspClk functions
+## Occasional TC0+TC1+TC2 SSP_CLK from FPGA / CountSspClk functions
 
 cf `armsrc/ticks.c`