diff --git a/jieba/__init__.py b/jieba/__init__.py
index 62183a9..74bddb9 100644
--- a/jieba/__init__.py
+++ b/jieba/__init__.py
@@ -161,7 +161,7 @@ class Tokenizer(object):
             self.initialized = True
             default_logger.debug(
                 "Loading model cost %.3f seconds." % (time.time() - t1))
-            default_logger.debug("Prefix dict has been built succesfully.")
+            default_logger.debug("Prefix dict has been built successfully.")
 
     def check_initialized(self):
         if not self.initialized:
@@ -272,7 +272,7 @@ class Tokenizer(object):
     def cut(self, sentence, cut_all=False, HMM=True):
         '''
         The main function that segments an entire sentence that contains
-        Chinese characters into seperated words.
+        Chinese characters into separated words.
 
         Parameter:
             - sentence: The str(unicode) to be segmented.
diff --git a/setup.py b/setup.py
index 265882b..6882cf3 100644
--- a/setup.py
+++ b/setup.py
@@ -44,7 +44,7 @@ GitHub: https://github.com/fxsjy/jieba
 
 setup(name='jieba',
       version='0.39',
-      description='Chinese Words Segementation Utilities',
+      description='Chinese Words Segmentation Utilities',
       long_description=LONGDOC,
       author='Sun, Junyi',
       author_email='ccnusjy@gmail.com',