create: fix typos

Closes Homebrew/homebrew#25709.

Signed-off-by: Mike McQuaid <mike@mikemcquaid.com>

Library/Homebrew/cmd/create.rb

@@ -161,8 +161,8 @@ class FormulaCreator
       test do
         # `test do` will create, run in and delete a temporary directory.
         #
-        # This test will fail and we won"t accept that! It"s enough to just replace
-        # "false" with the main program this formula installs, but it"d be nice if you
+        # This test will fail and we won't accept that! It's enough to just replace
+        # "false" with the main program this formula installs, but it'd be nice if you
         # were more thorough. Run the test with `brew test #{name}`.
         #
         # The installed folder is not in the path, so use the entire path to any