diff --git a/Lib/lib-tk/ttk.py b/Lib/lib-tk/ttk.py
index 3f6f79b..1125439 100644
--- a/Lib/lib-tk/ttk.py
+++ b/Lib/lib-tk/ttk.py
@@ -153,7 +153,7 @@
 
 def _format_layoutlist(layout, indent=0, indent_size=2):
     """Formats a layout list so we can pass the result to ttk::style
-    layout and ttk::style settings. Note that the layout doesn't has to
+    layout and ttk::style settings. Note that the layout doesn't have to
     be a list necessarily.
 
     E.g.:
diff --git a/Lib/test/test_docxmlrpc.py b/Lib/test/test_docxmlrpc.py
index a1a1fcf..815b680 100644
--- a/Lib/test/test_docxmlrpc.py
+++ b/Lib/test/test_docxmlrpc.py
@@ -153,7 +153,7 @@
     @make_request_and_skipIf(sys.flags.optimize >= 2,
                      "Docstrings are omitted with -O2 and above")
     def test_system_methods(self):
-        """Test the precense of three consecutive system.* methods.
+        """Test the presence of three consecutive system.* methods.
 
         This also tests their use of parameter type recognition and the
         systems related to that process.
diff --git a/Lib/test/test_socket.py b/Lib/test/test_socket.py
index d784aea..765d7c0 100644
--- a/Lib/test/test_socket.py
+++ b/Lib/test/test_socket.py
@@ -299,7 +299,7 @@
                               "Error raising socket exception.")
 
     def testSendtoErrors(self):
-        # Testing that sendto doesn't masks failures. See #10169.
+        # Testing that sendto doesn't mask failures. See #10169.
         s = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
         self.addCleanup(s.close)
         s.bind(('', 0))