diff --git a/common/buf/multi_buffer.go b/common/buf/multi_buffer.go
index 2c8e95858..85830fc7b 100644
--- a/common/buf/multi_buffer.go
+++ b/common/buf/multi_buffer.go
@@ -65,7 +65,7 @@ func (mb *MultiBuffer) AppendMulti(buf MultiBuffer) {
 	*mb = append(*mb, buf...)
 }
 
-// Copy copied the begining part of the MultiBuffer into the given byte array.
+// Copy copied the beginning part of the MultiBuffer into the given byte array.
 func (mb MultiBuffer) Copy(b []byte) int {
 	total := 0
 	for _, bb := range mb {
@@ -151,7 +151,7 @@ func (mb MultiBuffer) ToNetBuffers() net.Buffers {
 	return bs
 }
 
-// SliceBySize splits the begining of this MultiBuffer into another one, for at most size bytes.
+// SliceBySize splits the beginning of this MultiBuffer into another one, for at most size bytes.
 func (mb *MultiBuffer) SliceBySize(size int) MultiBuffer {
 	slice := NewMultiBufferCap(10)
 	sliceSize := 0
diff --git a/common/net/port.go b/common/net/port.go
index 8988a45fe..4da6baad1 100644
--- a/common/net/port.go
+++ b/common/net/port.go
@@ -49,7 +49,7 @@ func (p Port) String() string {
 	return serial.Uint16ToString(p.Value())
 }
 
-// FromPort returns the begining port of this PortRange.
+// FromPort returns the beginning port of this PortRange.
 func (p PortRange) FromPort() Port {
 	return Port(p.From)
 }