diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..95de712
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,4 @@
+*.ico
+*.icn
+icon.sys
+*.psu
\ No newline at end of file
diff --git a/icon.js b/icon.js
index 04b20dd..5e022ed 100644
--- a/icon.js
+++ b/icon.js
@@ -207,7 +207,7 @@ function readEntryBlock(input) {
 	const permissions = u32le(0);
 	let type;
 	if (permissions>0xffff) {
-		throw `Not a EMS Max (PSU) save file (was ${permissions}, expected less than ${0xffff})`;
+		throw `Not a EMS Memory Adapter (PSU) export file (was ${permissions}, expected less than ${0xffff})`;
 	}
 	if((permissions & 0b00100000)>=1){
 		type = "directory";