...

key_encoding.asciidoc

@@ -3,7 +3,7 @@
 See link:protocol-extensions.asciidoc#keyboard-handling[Keyboard Handling protocol extension]
 
 |===
-| Name | Encoded representation
+| Name | Encoded representation (base64)
 
 | 0               | `BM`
 | 1               | `BN`

preprocess-readme.py

@@ -42,7 +42,7 @@ raw = subprocess.check_output([
 key_map = json.loads(raw)
 lines = [
     'See link:protocol-extensions.asciidoc#keyboard-handling[Keyboard Handling protocol extension]',
-    '', '|===', '| Name | Encoded representation', ''
+    '', '|===', '| Name | Encoded representation (base64)', ''
 ]
 for k in sorted(key_map):
     lines.append('| {:15s} | `{}`'.format(k.replace('_', ' '), key_map[k]))

protocol-extensions.asciidoc

@@ -368,7 +368,7 @@ The escape sequence encodes the following properties:
 Where `<type>` is one of `p` -- press, `r` -- release and `t` -- repeat.
 Modifiers is a bitmask represented as a single hexadecimal digit in lower case.
 Shift -- `0x1`, Control -- `0x2`, Alt -- `0x4` and Super -- `0x8`.  `<key>` is
-a number (in lowercase hexadecimal) corresponding to the key pressed. The key name to
+a number (encoded in base64) corresponding to the key pressed. The key name to
 number mapping is defined in link:key_encoding.asciidoc[this table].
 
 For example: