diff --git a/src/uxn_tutorial_day_1.gmo b/src/uxn_tutorial_day_1.gmo
index cd1affc..008c2ab 100644
--- a/src/uxn_tutorial_day_1.gmo
+++ b/src/uxn_tutorial_day_1.gmo
@@ -206,6 +206,7 @@ if everything went alright, you'll see many messages in the terminal and a littl
 * F1 circles between different zoom levels
 * F2 shows the on-screen debugger
 * F3 takes a screenshot of the window
+* F4 loads a boot.rom that lets you browse and open roms in the current directory
 
 ## using the toolchain
 
@@ -275,8 +276,8 @@ $ ./bin/uxnasm hello.tal bin/hello.rom && ./bin/uxnemu bin/hello.rom
 we will see an output that looks like the following:
 
 ```
-Assembled bin/hello.rom(5 bytes), 0 labels, 0 macros.
-Loaded[bin/hello.rom].
+Assembled bin/hello.rom in 0.00kb(0.40% used), 0 labels, 0 macros.
+Loaded hello.rom
 h
 ```
 
@@ -333,10 +334,11 @@ in uxntal we can only write numbers that are 2 or 4 hexadecimal digits long. if,
 
 ## assembled rom
 
-we can see that the assembler reported that our program is 5 bytes in size:
+we can see that the our assembled program is 5 bytes in size:
 
 ```
-Assembled bin/hello.rom(5 bytes), 0 labels, 0 macros.
+$ wc --bytes bin/hello.rom 
+5 bin/hello.rom
 ```
 
 for the curious (like you!), we could use a tool like hexdump to see its contents: