How do i change the text

[Wojtek9388]

im trying to make the text say STORM (my dogs name) and it says STOOR im trying to replace the second O with a R and the R with a M anyone know how?
these are the letters
.segment "CHARS"
.byte %00111111 ; S (00)
.byte %11000000
.byte %11000000
.byte %00111100
.byte %00000011
.byte %00000011
.byte %11111100
.byte %00000000
.byte $00, $00, $00, $00, $00, $00, $00, $00

.byte %00111111 ; T (01)0
.byte %00001100
.byte %00001100
.byte %00001100
.byte %00001100
.byte %00001100
.byte %00001100
.byte %00001100
.byte $00, $00, $00, $00, $00, $00, $00, $00

.byte %01111110 ; O (03)
.byte %11100111
.byte %11000011
.byte %11000011
.byte %11000011
.byte %11000011
.byte %11100111
.byte %01111110
.byte $00, $00, $00, $00, $00, $00, $00, $00

.byte %11111100 ; R (03)
.byte %11000011
.byte %11111100
.byte %11001100
.byte %11000011
.byte %00000000
.byte %00000000
.byte %00000000
.byte $00, $00, $00, $00, $00, $00, $00, $00

.byte %11000011 ; M (03)
.byte %11100111
.byte %11011011
.byte %11000011
.byte %11000011
.byte %11000011
.byte %11000011
.byte %11000011
.byte $00, $00, $00, $00, $00, $00, $00, $00