diff --git a/core/logger.py b/core/logger.py
index c569bfb3..dba98947 100644
--- a/core/logger.py
+++ b/core/logger.py
@@ -138,7 +138,7 @@ class NTMRotatingLogHandler(object):
 
     def _num_logs(self):
         """
-        Scans the log folder and figures out how many log files there are already on disk
+        Scans the log folder and figures out how many log files there are already on disk.
 
         Returns: The number of the last used file (eg. mylog.log.3 would return 3). If there are no logs it returns -1
         """
diff --git a/core/utils/files.py b/core/utils/files.py
index 895125e1..edb968ae 100644
--- a/core/utils/files.py
+++ b/core/utils/files.py
@@ -88,7 +88,7 @@ def is_min_size(input_name, min_size):
 
 
 def is_archive_file(filename):
-    """Check if the filename is allowed for the Archive"""
+    """Check if the filename is allowed for the Archive."""
     for regext in core.COMPRESSED_CONTAINER:
         if regext.search(filename):
             return regext.split(filename)[0]
diff --git a/core/utils/paths.py b/core/utils/paths.py
index fe049ae7..cdb2c3ff 100644
--- a/core/utils/paths.py
+++ b/core/utils/paths.py
@@ -74,7 +74,7 @@ def get_dir_size(input_path):
 
 
 def remove_empty_folders(path, remove_root=True):
-    """Function to remove empty folders"""
+    """Function to remove empty folders."""
     if not os.path.isdir(path):
         return