diff --git a/decor/eta.go b/decor/eta.go
index 5941204..898a2c1 100644
--- a/decor/eta.go
+++ b/decor/eta.go
@@ -26,7 +26,7 @@
 //
 //	`style` one of [ET_STYLE_GO|ET_STYLE_HHMMSS|ET_STYLE_HHMM|ET_STYLE_MMSS]
 //
-//	`age` is the previous N samples to average over.
+//	`age` ewma age
 //
 //	`wcc` optional WC config
 func EwmaETA(style TimeStyle, age float64, wcc ...WC) Decorator {
diff --git a/decor/speed.go b/decor/speed.go
index 08314b3..17ada80 100644
--- a/decor/speed.go
+++ b/decor/speed.go
@@ -126,7 +126,7 @@
 //
 //	`unitFormat` printf compatible verb for value, like "%f" or "%d"
 //
-//	`average` MovingAverage implementation
+//	`age` ewma age
 //
 //	`wcc` optional WC config
 //