Found the following hamletworks.org entries referring to line 2219-20

View Commentary Note for 2219-20
2219-20 Guyl. O my lord, if my duty be too bold, my loue | is too vnmanerly. 

View Immaterial Textual Note for 2219-20
2219-20 Guyl. O my lord, if my duty be too bold, my loue | is too vnmanerly.  

View Material Textual Note for 2219-20
2219-20 Guyl. O my lord, if my duty be too bold, my loue | is too vnmanerly.