[Patches] Custom patches: terminate string with '\0', new line with '\n'

source-code/data/patches/custom_freeplay_text_example.p

@@ -4,7 +4,7 @@ IGNORE
 @1403BABEA:75 // ...enable it.
 
 # Custom FREE PLAY text
-1409F61F0:!My text
+1409F61F0:!Miku\0
 
 // Syntax:
 // "#" console comment
@@ -12,5 +12,5 @@ IGNORE
 // "@" omit patch console output
 // ":" address:bytes (hex)
 // " " byte byte
-// ":!" address:!string
+// ":!" address:!string ('\0' terminates the string, '\n' new line; both require PD Loader 2.1+)
 // "IGNORE" skip patch file