diff --git a/Lib/test/string_tests.py b/Lib/test/string_tests.py
index e086994..7605f0d 100644
--- a/Lib/test/string_tests.py
+++ b/Lib/test/string_tests.py
@@ -685,7 +685,7 @@
 
 
 class CommonTest(BaseTest):
-    # This testcase contains test that can be used in all
+    # This testcase contains tests that can be used in all
     # stringlike classes. Currently this is str, unicode
     # UserString and the string module.
 
diff --git a/Lib/test/test_zipfile64.py b/Lib/test/test_zipfile64.py
index 7dea8a3..b9e8e28 100644
--- a/Lib/test/test_zipfile64.py
+++ b/Lib/test/test_zipfile64.py
@@ -3,7 +3,7 @@
 # from test_zipfile
 from test import support
 
-# XXX(nnorwitz): disable this test by looking for extra largfile resource
+# XXX(nnorwitz): disable this test by looking for extralargefile resource,
 # which doesn't exist.  This test takes over 30 minutes to run in general
 # and requires more disk space than most of the buildbots.
 support.requires(
diff --git a/Python/fileutils.c b/Python/fileutils.c
index 079918c..06d632a 100644
--- a/Python/fileutils.c
+++ b/Python/fileutils.c
@@ -599,7 +599,7 @@
 
    On Windows, use GetFileType() and GetFileInformationByHandle() which support
    files larger than 2 GB.  fstat() may fail with EOVERFLOW on files larger
-   than 2 GB because the file size type is an signed 32-bit integer: see issue
+   than 2 GB because the file size type is a signed 32-bit integer: see issue
    #23152.
 
    On Windows, set the last Windows error and return nonzero on error. On
@@ -669,7 +669,7 @@
 
    On Windows, use GetFileType() and GetFileInformationByHandle() which support
    files larger than 2 GB.  fstat() may fail with EOVERFLOW on files larger
-   than 2 GB because the file size type is an signed 32-bit integer: see issue
+   than 2 GB because the file size type is a signed 32-bit integer: see issue
    #23152.
 
    Raise an exception and return -1 on error. On Windows, set the last Windows