diff --git a/swift/proxy/controllers/obj.py b/swift/proxy/controllers/obj.py
index 2aac83f2e5..9633c4b271 100644
--- a/swift/proxy/controllers/obj.py
+++ b/swift/proxy/controllers/obj.py
@@ -623,7 +623,7 @@ class BaseObjectController(Controller):
         """
         This method is responsible for establishing connection
         with storage nodes and sending the data to each one of those
-        nodes. The process of transfering data is specific to each
+        nodes. The process of transferring data is specific to each
         Storage Policy, thus it is required for each policy specific
         ObjectController to provide their own implementation of this method.
 
diff --git a/test/probe/test_reconstructor_durable.py b/test/probe/test_reconstructor_durable.py
index cbb94163e9..ccd9e1c78c 100644
--- a/test/probe/test_reconstructor_durable.py
+++ b/test/probe/test_reconstructor_durable.py
@@ -95,7 +95,7 @@ class TestReconstructorPropDurable(ECProbeTest):
             if e.errno != errno.ENOENT:
                 raise
 
-        # fire up reconstructor to propogate the .durable
+        # fire up reconstructor to propagate the .durable
         self.reconstructor.once()
 
         # fragment is still exactly as it was before!
diff --git a/test/probe/test_reconstructor_revert.py b/test/probe/test_reconstructor_revert.py
index 1daf7a3725..5e10c1337e 100755
--- a/test/probe/test_reconstructor_revert.py
+++ b/test/probe/test_reconstructor_revert.py
@@ -159,7 +159,7 @@ class TestReconstructorRevert(ECProbeTest):
             hnode_id = (hnode['port'] - 6000) / 10
             self.reconstructor.once(number=hnode_id)
 
-        # first threee primaries have data again
+        # first three primaries have data again
         for onode in (onodes[0], onodes[2]):
             self.direct_get(onode, opart)
 
@@ -218,7 +218,7 @@ class TestReconstructorRevert(ECProbeTest):
         # enable the first node again
         self.revive_drive(p_dev2)
 
-        # propogate the delete...
+        # propagate the delete...
         # fire up reconstructor on handoff nodes only
         for hnode in hnodes:
             hnode_id = (hnode['port'] - 6000) / 10
diff --git a/test/unit/obj/test_diskfile.py b/test/unit/obj/test_diskfile.py
index 6e9c498028..47ef9b102d 100644
--- a/test/unit/obj/test_diskfile.py
+++ b/test/unit/obj/test_diskfile.py
@@ -3598,7 +3598,7 @@ class TestECDiskFile(DiskFileMixin, unittest.TestCase):
             ts.internal + '.durable',
         ])
 
-    def test_purge_non_existant_fragment_index(self):
+    def test_purge_non_existent_fragment_index(self):
         ts = self.ts()
         frag_index = 7
         df = self._simple_get_diskfile(frag_index=frag_index)
diff --git a/test/unit/proxy/test_server.py b/test/unit/proxy/test_server.py
index 85c27fa2ed..153e45c0c0 100644
--- a/test/unit/proxy/test_server.py
+++ b/test/unit/proxy/test_server.py
@@ -6081,7 +6081,7 @@ class TestObjectECRangedGET(unittest.TestCase):
         self.assertEqual(gotten_obj, self.obj[3783:7879])
 
     def test_aligned_left(self):
-        # Firts byte is aligned to a segment boundary, last byte is not
+        # First byte is aligned to a segment boundary, last byte is not
         status, headers, gotten_obj = self._get_obj("bytes=0-5500")
         self.assertEqual(status, 206)
         self.assertEqual(headers['Content-Length'], "5501")