Clarify that the log2 of the largest possible symbol is the maximum number of bits...

diff --git a/doc/zstd_compression_format.md b/doc/zstd_compression_format.md
index cd7308de196e58099fff907b6a9c40689ff66136..7b29ccec64873464240b064a7272673eccbbd962 100644 (file)
--- a/doc/zstd_compression_format.md
+++ b/doc/zstd_compression_format.md
@@ -1083,7 +1083,7 @@ It depends on :
   Presuming an `Accuracy_Log` of 8,
   and presuming 100 probabilities points have already been distributed,
   the decoder may read any value from `0` to `256 - 100 + 1 == 157` (inclusive).
-  Therefore, it must read `log2sup(157) == 8` bits.
+  Therefore, it may read up to `log2sup(157) == 8` bits.
 
 - Value decoded : small values use 1 less bit :
   __example__ :