Remove "a" from ETC1 coding swizzle
@@ -103,13 +103,13 @@ use today.
| BC1 | `rgba` <sup>1</sup> | `.rgba` | |
| BC3 | `rgba` | `.rgba` | |
| BC3nm | `gggr` | `.ag` | |
-| BC4 | `rrr1` | `.r1` | |
+| BC4 | `rrr1` | `.r` | |
| BC5 | `rrrg` | `.ra` <sup>2</sup> | |
| BC6 | `rgb1` | `.rgb` | HDR profile only |
| BC7 | `rgba` | `.rgba` | |
| EAC_R11 | `rrr1` | `.r` | |
| EAC_RG11 | `rrrg` | `.ra` <sup>2</sup> | |
-| ETC1 | `rgba` | `.rgba` | |
+| ETC1 | `rgb1` | `.rgb` | |
| ETC2 | `rgba` <sup>1</sup> | `.rgb` | |
| ETC2+EAC | `rgba` | `.rgba` | |
| ETC2+EAC | `rgba` | `.rgba` | |
