chore: fix some comments (#1242)

## Fixes Or Enhances


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- [x] Tests exist or have been written that cover this particular
change.

@go-playground/validator-maintainers

Signed-off-by: pavedroad <qcqs@outlook.com>

util.go

@@ -271,7 +271,7 @@ func asFloat64(param string) float64 {
 	return i
 }
 
-// asFloat64 returns the parameter as a float64
+// asFloat32 returns the parameter as a float32
 // or panics if it can't convert
 func asFloat32(param string) float64 {
 	i, err := strconv.ParseFloat(param, 32)