provisional -> experimental (more standard term)

Technologicat · Technologicat · commit 5e539161f696 · 2020-03-19T01:31:40.000+02:00
diff --git a/unpythonic/dispatch.py b/unpythonic/dispatch.py
@@ -9,9 +9,9 @@
 add support for things like `*args`, `**kwargs`, `typing.Sequence[int]`,
 and in 3.8, `typing.Literal['a', 'b', 'c', 'd']`.
 
-**WARNING: PROVISIONAL FEATURE**
+**WARNING: EXPERIMENTAL FEATURE**
 
-This provisional feature is a proof-of-concept provided for technical preview
+This experimental feature is a proof-of-concept provided for technical preview
 and teaching purposes only.
 
 Details may still change in a backwards-incompatible way, or the whole
