diff --git a/framing_format.txt b/framing_format.txt
index 32b1e59..9764e83 100644
--- a/framing_format.txt
+++ b/framing_format.txt
@@ -1,5 +1,5 @@
 Snappy framing format description
-Last revised: 2013-01-05
+Last revised: 2013-10-25
 
 This format decribes a framing format for Snappy, allowing compressing to
 files or streams that can then more easily be decompressed without having
@@ -106,7 +106,18 @@ no more than 65536 data bytes, so the maximum legal chunk length with the
 checksum is 65540.
 
 
-4.4. Reserved unskippable chunks (chunk types 0x02-0x7f)
+4.4. Padding (chunk type 0xfe)
+
+Padding chunks allow a compressor to increase the size of the data stream
+so that it complies with external demands, e.g. that the total number of
+bytes is a multiple of some value.
+
+All bytes of the padding chunk, except the chunk byte itself and the length,
+should be zero, but decompressors must not try to interpret or verify the
+padding data in any way.
+
+
+4.5. Reserved unskippable chunks (chunk types 0x02-0x7f)
 
 These are reserved for future expansion. A decoder that sees such a chunk
 should immediately return an error, as it must assume it cannot decode the
@@ -115,10 +126,10 @@ stream correctly.
 Future versions of this specification may define meanings for these chunks.
 
 
-4.5. Reserved skippable chunks (chunk types 0x80-0xfe)
+4.6. Reserved skippable chunks (chunk types 0x80-0xfd)
 
 These are also reserved for future expansion, but unlike the chunks
-described in 4.4, a decoder seeing these must skip them and continue
+described in 4.5, a decoder seeing these must skip them and continue
 decoding.
 
 Future versions of this specification may define meanings for these chunks.