.

1 files changed, 10 insertions, 8 deletions

diff --git a/vocabulary.md b/vocabulary.md
index 9047a2fd..e0beb090 100644
--- a/vocabulary.md
+++ b/vocabulary.md
@@ -43,9 +43,9 @@ how they work under the hood.
 - Code-points: integer representing a Unicode character. Must be representable
   in 32 bits as utf-8; largest supported value is 0x10000.
 
-Mu will let you convert between bytes, code-point-utf8s and code-points using `copy`,
-and trust that you know what you're doing. Be aware that doing so is only
-correct for English/Latin characters, digits and symbols.
+Mu will let you convert between `byte`, `code-point-utf8` and `code-point`
+using `copy`, and trust that you know what you're doing. Be aware that doing
+so is only correct for English/Latin characters, digits and symbols (ASCII).
 
 ### Functions
 
@@ -120,8 +120,8 @@ signatures.mu for their full type signatures.
 - `append-byte-hex`: writes textual representation of lowest byte in hex to
   a stream of bytes. Does not write a '0x' prefix.
 - `read-byte`: reads a single byte from a stream of bytes.
-- `read-code-point-utf8`: reads a single unicode code-point-utf8 (up to 4 bytes) from a
-  stream of bytes.
+- `read-code-point-utf8`: reads a single unicode code-point-utf8 (up to 4
+  bytes) from a stream of bytes.
 
 #### reading/writing hex representations of integers
 
@@ -197,7 +197,8 @@ automatically read and update the cursor position in various ways.
   These primitives always silently fail if the desired movement would go out
   of screen bounds.
 - `move-cursor-to-left-margin-of-next-line`
-- `move-cursor-rightward-and-downward`: move cursor one code-point-utf8 to the right
+- `move-cursor-rightward-and-downward`: move cursor one code-point-utf8 to the
+  right.
 
 - `draw-text-rightward-from-cursor`: truncate at some right margin.
 - `draw-text-rightward-from-cursor-over-full-screen`: truncate at right edge
@@ -254,8 +255,9 @@ Assertions for tests:
 #### events
 
 `read-key` reads a single key from the keyboard and returns it if it exists.
-Returns 0 if no key has been pressed. Currently only support single-byte keys,
-which are identical to their code-point and code-point-utf8 representations.
+Returns 0 if no key has been pressed. Currently only supports single-byte
+(ASCII) keys, which are identical to their code-point and code-point-utf8
+representations.
 
 `read-line-from-keyboard` reads keys from keyboard, echoes them to screen
 (with given fg/bg colors) and accumulates them in a stream until it encounters