When mysql creates a stored procedure, how does one reference variables in the select statement like?

Code: delimiterDROPPROCEDUREIFEXISTSM_DNAMECREATEPROCEDUREM_DNAME (MONTHVARCHAR (2) SELECTINCOME. CID, COUNT (*) COUNTSFROMINCOMEWHERETIMELIKE & #39; ______ MONTH % & #39; delimiter; how is the MONTH variable inserted in like above? Select statement for mysqllike stored procedure

Code:
Delimiter //

Drop procedure if exists M_DNAME //
Create procedure M_DNAME
(Month varchar (2 ))
Select income. CID, COUNT (*) counts from income where time like '______ MONTH % ';
//

Delimiter;
How to insert the MONTH variable in the above like statement?