typos fixed by Rob Hooft
diff --git a/Lib/test/test_zlib.py b/Lib/test/test_zlib.py
index ccfbc7d..d22a2cc 100644
--- a/Lib/test/test_zlib.py
+++ b/Lib/test/test_zlib.py
@@ -11,7 +11,7 @@
 buf = file.read() * 8
 file.close()
 
-# test the chucksums (hex so the test doesn't break on 64-bit machines)
+# test the checksums (hex so the test doesn't break on 64-bit machines)
 print hex(zlib.crc32('penguin')), hex(zlib.crc32('penguin', 1))
 print hex(zlib.adler32('penguin')), hex(zlib.adler32('penguin', 1))