Please capitalize where necessary: start with the diagonal triangle from a square, head colour up.
A: Start with the diagonal triangle from a square, head colour up.

Please capitalize where necessary: left front piece: knit like right front, but reversed.
A: Left front piece: Knit like right front, but reversed.

Please capitalize where necessary: the revolutionary fc2 file analysis tool™️ scans, analyzes, and reports back every detail about your fc2 file.
A: The revolutionary FC2 File Analysis Tool™️ scans, analyzes, and reports back every detail about your FC2 file.

Please capitalize where necessary: dec on neck edge on every other row as follows: 2 sts once, 1 st twice.
A:
Dec on neck edge on every other row as follows: 2 sts once, 1 st twice.