Fix indexing of last item.

Signed-off-by: Jeff Lait <jlait@andorra.sidefx.com>

Author: jmlait

tsc/meetings/2023-06-27.md

@@ -70,6 +70,6 @@ Unlike VDB, this has a meaning: Voxel Tile Trees.
 
 Is VTT an intrinsically different structure, or a variation of VDB?
 
-6) Next meeting
+7) Next meeting
 
 Next meeting is on July 11th, 2023. 2pm-3pm EDT.