diff --git a/README.md b/README.md
index 464373c..d02ee24 100644
--- a/README.md
+++ b/README.md
@@ -71,8 +71,8 @@ The following table describes the MIDI message types that are supported and the
 | cc                 | controller [0-127] | value [0-127]    | channel [0-15] |
 | program            | number [0-127]     |                  | channel [0-15] |
 | channel aftertouch | pressure [0-127]   |                  | channel [0-15] |
-| pitch              | value [0-16384]    |                  | channel [0-15] |
-| position           | value [0-16384]    |                  |                |
+| pitch              | value [0-16383]    |                  | channel [0-15] |
+| position           | value [0-16383]    |                  |                |
 | mtc                | type [0-7]         | value [0-15]     |                |
 | select             | song [0-127]       |                  |                |
 | clock              |                    |                  |                |