Update .asf.yaml (#2)

diff --git a/.asf.yaml b/.asf.yaml
index 646bdac..1695e7a 100644
--- a/.asf.yaml
+++ b/.asf.yaml
@@ -21,11 +21,11 @@
   pullrequests: github@arrow.apache.org
   jira_options: link label worklog
 github:
-  description: "Official Rust implementation of Apache Arrow"
+  description: "Experimental Rust implementation of Apache Arrow"
   homepage: https://arrow.apache.org/
   enabled_merge_buttons:
     squash: true
     merge: false
     rebase: false
   features:
-    issues: true
\ No newline at end of file
+    issues: true