diff --git a/src/Math-Complex/PMComplexNumber.class.st b/src/Math-Complex/PMComplexNumber.class.st
index 488da9cd..84a95d98 100644
--- a/src/Math-Complex/PMComplexNumber.class.st
+++ b/src/Math-Complex/PMComplexNumber.class.st
@@ -622,7 +622,7 @@ PMComplexNumber >> productWithVector: aVector [
 
 { #category : #'mathematical functions' }
 PMComplexNumber >> raisedTo: index [
-	"Answer the receiver raised to aNumber."
+	"Answer the receiver raised to the power of an index."
 
 	index isInteger ifTrue: [ ^ self raisedToInteger: index ].