Fix typos in kwargdict snippet [skip ci]
You can now specify keyword arguments for any function and method call
with the `kwargs` keyword argument. This is perhaps best described
-with an example.
+with an example:
```meson
options = {'include_directories': include_directories('inc')}
@@ -20,9 +20,9 @@ executable(...
include_directories: include_directories('inc'))
```
-That is, Mesn will expand the dictionary given to `kwargs` as if the
+That is, Meson will expand the dictionary given to `kwargs` as if the
entries in it had been given as keyword arguments directly.
Note that any individual argument can be specified either directly or
-with the `kwarg`` dict but not both. If a key is specified twice, it
+with the `kwarg` dict but not both. If a key is specified twice, it
is a hard error.
