diff --git a/doc/source/intro.rst b/doc/source/intro.rst
index b268b8e..f8a17f8 100644
--- a/doc/source/intro.rst
+++ b/doc/source/intro.rst
@@ -2,7 +2,7 @@ Introduction
 ============
 
 BASE OAI-PMH Validity Checker (OVAL) is a tool for
-checking document servers' compatibilty to the 
+checking document servers' compatibility to the
 harvester and indexer of Bielefeld Academic Search
 Engine (BASE). This involves mainly the validation of
 compliance with the Open Archives Protocol for Metadata
@@ -25,4 +25,4 @@ The :mod:`~oval.validator` module is the high-level user
 interface that should be used by external programs.
 
 It is based on the :mod:`~oval.harvester` module, which takes
-care of the low-level OAI-PMH communication.
\ No newline at end of file
+care of the low-level OAI-PMH communication.
diff --git a/oval/harvester.py b/oval/harvester.py
index 49b9966..4286e67 100644
--- a/oval/harvester.py
+++ b/oval/harvester.py
@@ -249,7 +249,7 @@ class RecordIterator(object):
            :param metadataPrefix: The OAI-PMH metadataPrefix attribute.
            :param _from: Optional date offset.
            :param until: Optional date limit.
-           :param deleted: Flag specifiying whether deleted records should be
+           :param deleted: Flag specifying whether deleted records should be
                            included
         """
         def __init__(self, verb, metadataPrefix, _from=None, until=None,
diff --git a/oval/webapp.py b/oval/webapp.py
index 68adce7..b5db041 100644
--- a/oval/webapp.py
+++ b/oval/webapp.py
@@ -3,7 +3,7 @@
 import sys
 import os
 
-# Add local directoty to import path
+# Add local directory to import path
 this_dir, this_filename = os.path.split(__file__)
 sys.path.insert(0, os.path.abspath(this_dir))