diff --git a/Tests/test_file_png.py b/Tests/test_file_png.py
index 8d76b0ec8..a96422fa7 100644
--- a/Tests/test_file_png.py
+++ b/Tests/test_file_png.py
@@ -198,7 +198,7 @@ class TestFilePng(PillowTestCase):
         im = im.convert("RGBA")
         self.assert_image(im, "RGBA", (162, 150))
 
-        # image has 124 uniqe qlpha values
+        # image has 124 unique alpha values
         self.assertEqual(len(im.split()[3].getcolors()), 124)
 
     def test_load_transparent_rgb(self):
diff --git a/Tests/test_image_access.py b/Tests/test_image_access.py
index 52618d541..21295ac82 100644
--- a/Tests/test_image_access.py
+++ b/Tests/test_image_access.py
@@ -78,7 +78,7 @@ class TestImageGetPixel(AccessTest):
             im.getpixel((0, 0)), c,
             "put/getpixel roundtrip failed for mode %s, color %s" % (mode, c))
 
-        # check inital color
+        # check initial color
         im = Image.new(mode, (1, 1), c)
         self.assertEqual(
             im.getpixel((0, 0)), c,
diff --git a/libImaging/ZipEncode.c b/libImaging/ZipEncode.c
index 0c6f34242..fa1c4e728 100644
--- a/libImaging/ZipEncode.c
+++ b/libImaging/ZipEncode.c
@@ -64,7 +64,7 @@ ImagingZipEncode(Imaging im, ImagingCodecState state, UINT8* buf, int bytes)
             return -1;
         }
 
-        /* Initalise filter buffers */
+        /* Initialise filter buffers */
         state->buffer[0] = 0;
         context->prior[0] = 1;
         context->up[0] = 2;