commit - fe4add31c98645c75e33c5d2cfd9bf1821b5377a
commit + c64af147da5a26f0586e7d201175c5f9864ab478
blob - b821962d9a0b941bd7e99b3e0411057e3189a04b
blob + 465924eae396069cc11288010225f6cdc0a46c65
--- minip_a.h
+++ minip_a.h
@@ -38,8 +38,8 @@ typedef stream parser(stream, const stream, void *);
  * logical operators allowed on expressions:
  *
  *  ||	(ordered) choice; first match wins
- *  &&	restriction; only rhs is consumed
- *  !	negative lookahead
+ *  &&	restriction (lookahead); rhs is consumed
+ *  !	negation; only allowed to the left of &&
  */
 
 /* variable-length argument lists */
@@ -63,7 +63,7 @@ typedef stream parser(stream, const stream, void *);
  * - receive an arbitrary context parameter via ACTION()'s second argument.
  * - receive an arbitrary environment pointer from the top-level parser call.
  * - execute (only) after their subordinate parser(s) matched.
- * - can act as validations by returning the intended result.
+ * - can also act as validations by returning the intended result.
  */
 typedef bool action(void *, void *, const char *, size_t);
 #define ACTION(F, C)	(F)((C), env_, inp_, p_ - inp_)