diff --git a/README.md b/README.md
index 332bac7..0a1bd59 100644
--- a/README.md
+++ b/README.md
@@ -6,7 +6,7 @@ Nestur is an NES emulator and a work in progress. There are likely still several
 - NTSC timing
 - may only implement mappers 0-4 as these cover ~85% of games according to http://tuxnes.sourceforge.net/nesmapper.txt
 
-<img src="pics/smb.png" width=350>  <img src="pics/zelda_dungeon.png" width=350>
+<img src="pics/smb.png" width=400>  <img src="pics/zelda_dungeon.png" width=400>
 
 ## Controls:
 ```
@@ -38,7 +38,7 @@ The code aims to follow the explanations from the [NES dev wiki](https://wiki.ne
 
 ## To do:
 
-- Find any bugs with mappers 0-4 and improve mapper 5 (MMC3)
+- Find any bugs with mappers 0-3 and improve mapper 4 (MMC3)
 
 - DMC audio channel, high- and low-pass filters