printmemory Change exercise

subjects/printmemory/README.md

@@ -4,9 +4,9 @@
 
 Write a function that takes `(arr [10]int)`, and displays the memory as in the example.
 
-After displaying the memory the function must display all the graphic characters. The non printable characters must be replaced by a dot.
+After displaying the memory the function must display all the ASCII graphic characters. The non printable characters must be replaced by a dot.
 
-A graphic character is any character intended to be written, printed, or otherwise displayed in a form that can be read by humans. In other words, it is any encoded character that is associated with one or more glyphs.
+The ASCII graphic characters are any characters intended to be written, printed, or otherwise displayed in a form that can be read by humans, present on the ASCII encoding.
 
 ### Expected function
 
@@ -32,9 +32,9 @@ And its output :
 
 ```console
 $ go run . | cat -e
-6800 0000 6500 0000 6c00 0000 6c00 0000 $
-6f00 0000 1000 0000 1500 0000 2a00 0000 $
-0000 0000 0000 0000 $
+68 65 6c 6c$
+6f 10 15 2a$
+00 00$
 hello..*..$
 $
 ```