diff --git a/src/__main__.py b/src/__main__.py
index 26d3978..b44e2eb 100644
--- a/src/__main__.py
+++ b/src/__main__.py
@@ -10,9 +10,9 @@ if __name__ == "__main__":
     try:
         parser = argparse.ArgumentParser()
         # Add long and short arguments
-        parser.add_argument("--file", "-f", help="The instructions file to use if any.")
+        parser.add_argument("--file", "-f", help="The instructions file to use.")
         parser.add_argument("--browser", "-b", default="firefox", help="ie, chrome, firefox (Optional)")
-        parser.add_argument("--headless", "-hm", default=False, help="Run browser in headless mode.")
+        parser.add_argument("--headless", "-hm", default=False, help="Run browser in headless mode. (Optional)")
         parser.add_argument("--persist", "-p", default=False, help="Keep browser open after run. (Optional)")
 
 
diff --git a/src/core/__init__.py b/src/core/__init__.py
index 065d76b..d151b56 100644
--- a/src/core/__init__.py
+++ b/src/core/__init__.py
@@ -1,3 +1,7 @@
+"""
+    Core module
+"""
+
 from .mixins import ControlerMixin
 
 from .utils import Logger
diff --git a/src/core/mixins/__init__.py b/src/core/mixins/__init__.py
index be71ddc..ebeff20 100644
--- a/src/core/mixins/__init__.py
+++ b/src/core/mixins/__init__.py
@@ -1 +1,5 @@
+"""
+    Mixins module
+"""
+
 from .ControlerMixin import ControlerMixin
diff --git a/src/core/utils/Browser.py b/src/core/utils/Browser.py
index f048921..acff046 100644
--- a/src/core/utils/Browser.py
+++ b/src/core/utils/Browser.py
@@ -35,5 +35,7 @@ class Browser:
 
             driver = webdriver.Firefox(options=_options, firefox_profile=profile, log_path=_log_path)
 
+        if driver is None:
+            raise("No driver set! Check your argument or defaults...")
 
         return driver
diff --git a/src/core/utils/Logger.py b/src/core/utils/Logger.py
index 20bf93c..e9a8cc6 100644
--- a/src/core/utils/Logger.py
+++ b/src/core/utils/Logger.py
@@ -44,6 +44,9 @@ class Logger:
             folder = "core/logs"
             file   = folder + "/twitter-bot.log"
 
+            if not os.path.exists(folder):
+                os.mkdir(folder)
+
             fh = logging.FileHandler(file)
             fh.setLevel(level=fhLogLevel)
             fh.setFormatter(fFormatter)
diff --git a/src/core/utils/__init__.py b/src/core/utils/__init__.py
index cf7de47..5c72dc4 100644
--- a/src/core/utils/__init__.py
+++ b/src/core/utils/__init__.py
@@ -1,2 +1,6 @@
+"""
+    Utils module
+"""
+
 from .Logger import Logger
 from .Browser import Browser