diff --git a/vlib/math/math.v b/vlib/math/math.v
index ffc41549bf..451333d848 100644
--- a/vlib/math/math.v
+++ b/vlib/math/math.v
@@ -146,7 +146,7 @@ pub fn sign(n f64) f64 {
 	return copysign(1.0, n)
 }
 
-// signi returns the corresponding sign -1.0, 1.0 of the provided number.
+// signi returns the corresponding sign -1, 1 of the provided number.
 [inline]
 pub fn signi(n f64) int {
 	return int(copysign(1.0, n))