Fix typos in comments.

Author: danielshahaf

highlighters/main/main-highlighter.zsh

@@ -318,7 +318,7 @@ _zsh_highlight_highlighter_main_paint()
   # that wouldn't be followed by a colon in a getopts specification.
   local flags_sans_argument
   # $flags_solo is a set of letters, corresponding to option letters that, if
-  # present, mean the precommand will now be acting as a precommand, i.e., will
+  # present, mean the precommand will not be acting as a precommand, i.e., will
   # not be followed by a :start: word.
   local flags_solo
   # $precommand_options maps precommand name to values of $flags_with_argument,

zsh-syntax-highlighting.zsh

@@ -29,8 +29,8 @@
 
 # First of all, ensure predictable parsing.
 typeset zsh_highlight__aliases="$(builtin alias -Lm '[^+]*')"
-# In zsh <= 5.2, `alias -L` emits aliases that begin with a plus sign ('alias -- +foo=42')
-# them without a '--' guard, so they don't round trip.
+# In zsh <= 5.2, aliases that begin with a plus sign ('alias -- +foo=42')
+# are emitted by `alias -L` without a '--' guard, so they don't round trip.
 #
 # Hence, we exclude them from unaliasing:
 builtin unalias -m '[^+]*'