diff --git a/readme.md b/readme.md
index 4f27782..f4d8d9f 100644
--- a/readme.md
+++ b/readme.md
@@ -11,8 +11,8 @@ System requirements
 
 Gidubba requires at least 4 KiB of RAM. It uses a terminal with local
 echo at address FFFF, and optionally a character printer at address FFFE
-and a punched tape reader and punch or a casette drive at FFFD. Do not
-be afraid to modify the code yourself if your setup requires it! (And if
+and a paper tape reader and punch or a casette drive at FFFD. Do not be
+afraid to modify the code yourself if your setup requires it! (And if
 you do, apologies for the spaghetti.)
 
 Format