diff --git a/gcmtest.py b/gcmtest.py
index 185bd0f..e952b70 100644
--- a/gcmtest.py
+++ b/gcmtest.py
@@ -5,7 +5,7 @@ import os
 import shutil
 
 
-__version__ = "0.0.3"
+__version__ = "0.0.4"
 __author__ = "rigodron, algoflash, GGLinnk"
 __license__ = "MIT"
 __status__ = "developpement"
@@ -13,11 +13,13 @@ __status__ = "developpement"
 
 ##################################################
 # Set roms_path with your ROMs (at the root of the ROM folder)
-# Extract all files from file system using dolphin emu - put it in gcm_dolphin/root/
-# Extract boot.dol and apploader.img using dolphin emu - put it in gcm_dolphin/sys/
+# Extract all files from file system using dolphin emu - put it in f"{dolphin_unpack_path}/root/"
+# Extract boot.dol and apploader.img using dolphin emu - put it in f"{dolphin_unpack_path}/sys/"
 ##################################################
 roms_path           = Path("../ROM")
 dolphin_unpack_path = Path("dolphin_unpack")
+
+# Created tmp paths
 unpack_path         = Path("unpack")
 unpack2_path        = Path("unpack2")
 repack_path         = Path("repack")
@@ -48,7 +50,11 @@ def compare_sha256(file1_path:Path, file2_path:Path):
 # compare two GCM
 #     -> raise an exception if there is a difference
 def verify_GCM_sha256(folder1: Path, folder2: Path):
-    print(f"compare \"{folder1}\" - \"{folder2}\"")
+    folder1_file_count = len(list(folder1.glob("**/*")))
+    print(f"compare \"{folder1}\" - \"{folder2}\" ({folder1_file_count} files)")
+    if folder1_file_count == 0:
+        raise Exception(f"ERROR - EMPTY FOLDER: {folder1}")
+
     len1 = len(folder1.parts)
     len2 = len(folder2.parts)
     # 1. Compare names of filesystems
@@ -75,10 +81,11 @@ print("# Checking tests folder")
 print("###############################################################################")
 # Check if tests folders exist
 if unpack_path.is_dir() or unpack2_path.is_dir() or repack_path.is_dir():
-    raise Exception(f"Error - Please remove:\n-{unpack_path}\n-{unpack2_path}\n{repack_path}")
+    raise Exception(f"Error - Please remove:\n-{unpack_path}\n-{unpack2_path}\n-{repack_path}")
 
 print("###############################################################################")
-print("# Comparing unpacked ROMs with dolphin extracts")
+print("# TEST 1/3")
+print("# Comparing roms_path->unpack->[unpack_path] ROMs with [dolphin_unpack_path]")
 print("###############################################################################")
 # unpack ROM in unpack_path
 unpack_path.mkdir(parents=True)
@@ -92,7 +99,8 @@ for folder_path in unpack_path.glob("*"):
     verify_GCM_sha256(folder_path, dolphin_unpack_path / folder_path.name)
 
 print("###############################################################################")
-print("# Comparing iso->[1:unpacked]->repacked->[2:unpacked]")
+print("# TEST 2/3")
+print("# Comparing [unpack_path]->pack->unpack->[unpack2_path]")
 print("###############################################################################")
 # repack unpack_path repack_path
 repack_path.mkdir()
@@ -117,7 +125,8 @@ for folder_path in unpack_path.glob("*"):
 shutil.rmtree(unpack2_path)
 
 print("###############################################################################")
-print("# Comparing iso->[1:unpacked]->rebuild_fst->repack->[2:unpacked]")
+print("# TEST 3/3")
+print("# Comparing [unpack_path]->rebuild_fst->repack->unpack->[unpack2_path]")
 print("###############################################################################")
 # rebuild unpack_path FSTs
 for folder_path in unpack_path.glob("*"):
@@ -143,7 +152,7 @@ shutil.rmtree(repack_path)
 for folder_path in unpack_path.glob("*"):
     verify_GCM_sha256(folder_path, unpack2_path / folder_path.name)
 
-# remove unpack_path unpack2_path
+# Remove tests folders
 print("###############################################################################")
 print(f"# Cleaning test folders.")
 print("###############################################################################")