tag description update

README.md

@@ -8,9 +8,9 @@
 
 *Tag descriptions*
 
-* `latest` - the most up-to-date version (may be experimental).
-* `stable` - the version declared stable on [factorio.com](https://www.factorio.com).
-* `0.x` - highest version in a branch: may be experimental.
+* `latest` - most up-to-date version (may be experimental).
+* `stable` - version declared stable on [factorio.com](https://www.factorio.com).
+* `0.x` - latest version in a branch.
 * `0.x.y` - a specific version.
 * `0.x-dev` - whatever is in master for that version.