diff --git a/coreapi/document.py b/coreapi/document.py
index 0fb62a7..c6c9ceb 100644
--- a/coreapi/document.py
+++ b/coreapi/document.py
@@ -44,7 +44,7 @@ def _key_sorting(item):
 
 # The field class, as used by Link objects:
 
-# NOTE: 'type', 'description' and 'examaple' are now deprecated,
+# NOTE: 'type', 'description' and 'example' are now deprecated,
 #       in favor of 'schema'.
 Field = namedtuple('Field', ['name', 'required', 'location', 'schema', 'description', 'type', 'example'])
 Field.__new__.__defaults__ = (False, '', None, None, None, None)
diff --git a/coreapi/utils.py b/coreapi/utils.py
index 0b27d46..fb7ade4 100644
--- a/coreapi/utils.py
+++ b/coreapi/utils.py
@@ -237,7 +237,7 @@ def negotiate_encoder(encoders, accept=None):
     raise exceptions.NoCodecAvailable(msg)
 
 
-# Validation utilities. Used to ensure that we get consitent validation
+# Validation utilities. Used to ensure that we get consistent validation
 # exceptions when invalid types are passed as a parameter, rather than
 # an exception occuring when the request is made.
 
diff --git a/runtests b/runtests
index 54a984d..8b260d9 100755
--- a/runtests
+++ b/runtests
@@ -35,10 +35,10 @@ def flake8_main(args):
 
 
 def report_coverage(cov, fail_if_not_100=False):
-    precent_covered = cov.report(
+    percent_covered = cov.report(
         file=NullFile(), **COVERAGE_OPTIONS
     )
-    if precent_covered == 100:
+    if percent_covered == 100:
         print('100% coverage')
         return
     if fail_if_not_100:
diff --git a/tests/test_document.py b/tests/test_document.py
index db1d1c1..6b06de7 100644
--- a/tests/test_document.py
+++ b/tests/test_document.py
@@ -50,7 +50,7 @@ def error():
 
 def _dedent(string):
     """
-    Convience function for dedenting multiline strings,
+    Convenience function for dedenting multiline strings,
     for string comparison purposes.
     """
     lines = string.splitlines()