diff --git a/XBLConfig/commons.py b/XBLConfig/commons.py
index f2f5149..fbacc8e 100644
--- a/XBLConfig/commons.py
+++ b/XBLConfig/commons.py
@@ -122,7 +122,7 @@ def print_error_exit(error_msg="missing"):
   exit(-1)
 
 ##############################################################################
-# roundup - returns offset 'x' with aligment 'precision'
+# roundup - returns offset 'x' with alignment 'precision'
 ##############################################################################
 def roundup(x, precision):
   if precision == 0:
diff --git a/dtlogger.py b/dtlogger.py
index 85560a2..ec5cb3e 100644
--- a/dtlogger.py
+++ b/dtlogger.py
@@ -14,12 +14,12 @@
 
 def logger_init(log_file=None, log_level=logging.DEBUG, max_file_size_mb=1):
     """
-    Initialize dt logger。
+    Initialize dt logger.
 
     Args:
-        log_file (str): log file path。if it is None,only print to console。
-        log_level (int): log level(logging.INFO、logging.DEBUG)。
-        max_file_size_mb (int): Maxmin log file size(MB)。
+        log_file (str): log file path.if it is None,only print to console.
+        log_level (int): log level(logging.INFO, logging.DEBUG).
+        max_file_size_mb (int): Maximum log file size(MB).
     """
 
     logger.setLevel(log_level)
diff --git a/get_qsahara_files.py b/get_qsahara_files.py
index af8459e..43ab4f6 100644
--- a/get_qsahara_files.py
+++ b/get_qsahara_files.py
@@ -17,7 +17,7 @@ def get_all_sahara_files(meta_root_path, flavor=None, storage='ufs', firehose_ty
     Initializes meta_info and uses get_qsahara_files to list Sahara files.
 
     Args:
-        contents_xml_path (str): Path to the contents.xml file of the meta-build.
+        meta_root_path (str): Path to the root of the meta-build containing contents.xml.
         flavor (str, optional): The flavor to filter by. Defaults to None.
         storage (str, optional): The storage type to filter by. Defaults to None.
         firehose_type (str, optional): The firehose type to filter by. Defaults to None.
diff --git a/sign.py b/sign.py
index 39a85f6..d244d7e 100644
--- a/sign.py
+++ b/sign.py
@@ -4,7 +4,7 @@
 # SPDX-License-Identifier: BSD-3-Clause-Clear
 """
 @file sign.py
-This file contains the interface of signature. it will call sectools v2 for signing. 
+This file contains the interface of signature. It will call sectools v2 for signing. 
 """
 #from asyncio import exceptions
 from dis import disassemble
@@ -37,8 +37,8 @@ def sign_config_image(self):
             dtlogger.info('Error of reading signing mode command json file.')
             dtlogger.info(e)
             return  False
-        # If signing command doesn't contain  --image-id option, fetch it from origninal DTB elf. If the orginal DTB elf is unsigned DTB elf. 
-        # If the orginal DTB elf is unsigned DTB elf, it will popout a warning windows and termined signing process.
+        # If signing command doesn't contain  --image-id option, fetch it from original DTB elf. If the original DTB elf is unsigned DTB elf. 
+        # If the original DTB elf is unsigned DTB elf, it will pop out a warning window and terminate the signing process.
         if '--image-id' not in data.keys():
             # fetch Software ID from DTB elfs by sectools inspect command
             sign_id_cmd = r'%s secure-image --inspect %s' % (os.path.join(gf['sectoolsDir'],self.sectool_name), gf['inputFile'])
@@ -46,7 +46,7 @@ def sign_config_image(self):
                                 stdout=subprocess.PIPE,
                                 stderr=subprocess.STDOUT,
                                 universal_newlines=True,shell=True)
-            dtlogger.info ('Waiting for secure inspect commnad excute done')
+            dtlogger.info ('Waiting for secure inspect command execute done')
             while True:
                 out, err= proc.communicate()
                 dtlogger.info (out)
@@ -63,7 +63,7 @@ def sign_config_image(self):
                         dtlogger.info("{} err".format(line))
                         return False
                 if proc.poll() != None:
-                    dtlogger.info ('secure inspect commnad excute done')
+                    dtlogger.info ('secure inspect command execute done')
                     break
             if sign_id_num:
                 # fetch image ID from profile xml according software ID.
@@ -80,7 +80,7 @@ def sign_config_image(self):
             if gf['sign_id']== '':
                 raise Exception('ERROR:Signed DTB elf failed', 'Please provide sign ID for the DTB elf\n')
                    
-        # excute sign command seperately
+        # execute sign command separately
         # Debugged so signing works
         outfile = ""
         dtlogger.info("{}{}".format(gf['outputPath'],gf['outputFile']))
@@ -107,7 +107,7 @@ def sign_config_image(self):
                     cmd.append(command)
                     cmd.append(data["SigningCommand"][command])
 
-        dtlogger.info('Excute Signing Command:\n{}'.format(cmd))
+        dtlogger.info('Execute Signing Command:\n{}'.format(cmd))
   
 
         proc = subprocess.Popen(cmd, stdout=subprocess.PIPE,