diff --git a/MY-BASIC Quick Reference.pdf b/MY-BASIC Quick Reference.pdf
index 486af77..e3be077 100644
Binary files a/MY-BASIC Quick Reference.pdf and b/MY-BASIC Quick Reference.pdf differ
diff --git a/shell/main.c b/shell/main.c
index d4bf933..421dd79 100755
--- a/shell/main.c
+++ b/shell/main.c
@@ -600,7 +600,7 @@ static _importing_dirs_t* _set_importing_directories(const char* dirs) {
 	_CHECK_MEM(result->dirs);
 
 	while(dirs && *dirs) {
-		int l = 0;
+		size_t l = 0;
 		char* buf = 0;
 		bool_t as = false;
 		const char* p = dirs;