diff --git a/terminal/tcell/event.go b/terminal/tcell/event.go
index a778dfe..09f05e4 100644
--- a/terminal/tcell/event.go
+++ b/terminal/tcell/event.go
@@ -135,8 +135,6 @@ func convMouse(event *tcell.EventMouse) terminalapi.Event {
 		}
 	}
 
-	// Get only button events, not wheel events
-	tcellBtn &= tcell.ButtonMask(0xff)
 	switch tcellBtn = event.Buttons(); tcellBtn {
 	case tcell.ButtonNone:
 		button = mouse.ButtonRelease
diff --git a/widgets/linechart/value_formatter.go b/widgets/linechart/value_formatter.go
index c629469..4621648 100644
--- a/widgets/linechart/value_formatter.go
+++ b/widgets/linechart/value_formatter.go
@@ -128,7 +128,7 @@ func ValueFormatterSuffix(decimals int, suffix string) ValueFormatter {
 }
 
 // valueFormatterSuffixWithTransformer is a factory that returns a formatter
-// that will apply a tranform function to the received value before
+// that will apply a transform function to the received value before
 // returning the decimal with suffix representation.
 func valueFormatterSuffixWithTransformer(decimals int, suffix string, transformFunc func(float64) float64) ValueFormatter {
 	dFmt := suffixDecimalFormat(decimals, suffix)