We don't use upper case for PPU registers

Signed-off-by: Miquel Sabaté Solà <mssola@mssola.com>

1 files changed, 1 insertions, 5 deletions

diff --git a/README.md b/README.md
index be162bf..bcc8ec0 100644
--- a/README.md
+++ b/README.md
@@ -355,13 +355,9 @@ that makes it more apparent what they are.
 In a similar way, there are assignments which are simply a way to name regular
 numeric constants. This differs to how "variables" are assigned as they are not
 memory addresses that the CPU can directly access. Hence, for constant numbers
-or memory addresses which are not directly tied to the CPU (i.e. memory-mapped
-I/O), use upper case in the same way you would in C.
+use upper case in the same way you would in C.
 
 ``` assembly
-lda PPU::m_control ; bad!
-lda PPU::CONTROL   ; good!
-
 bad_constant  = 1
 GOOD_CONSTANT = 1
 ```