Remove colon in OAM title

Author: ISSOtm

src/OAM.md

@@ -43,7 +43,7 @@ specifies the index of the first (top) tile of the sprite. This is enforced by t
 hardware: the least significant bit of the tile index is ignored; that is, the top 8x8
 tile is "NN & $FE", and the bottom 8x8 tile is "NN | $01".
 
-## Byte 3 - Attributes/Flags:
+## Byte 3 - Attributes/Flags
 
 ```
  Bit7   BG and Window over OBJ (0=No, 1=BG and Window colors 1-3 over the OBJ)

src/Power_Up_Sequence.md

@@ -105,7 +105,7 @@ It is speculated that this may be debug remnants.
 
 The boot ROM is responsible for the automatic colorization of monochrome-only games when run on a GBC.
 
-When in DMG compatibility mode, the [CGB palettes](<#LCD Color Palettes (CGB only)>) are still being used: the background uses BG palette 0 (likely because the entire [attribute map](<#BG Map Attributes (CGB Mode only)>) is set to all zeros), and objects use OBJ palette 0 or 1 depending on bit 4 of [their attribute](<#Byte 3 - Attributes/Flags:>).
+When in DMG compatibility mode, the [CGB palettes](<#LCD Color Palettes (CGB only)>) are still being used: the background uses BG palette 0 (likely because the entire [attribute map](<#BG Map Attributes (CGB Mode only)>) is set to all zeros), and objects use OBJ palette 0 or 1 depending on bit 4 of [their attribute](<#Byte 3 - Attributes/Flags>).
 [`BGP`, `OBP0`, and `OBP1`](<#LCD Monochrome Palettes>) actually index into the CGB palettes instead of the DMG's shades of grey.
 
 The boot ROM picks a compatibility palette using an ID computed using the following algorithm: