diff --git a/README.md b/README.md
index 57e526ece..9518f4045 100644
--- a/README.md
+++ b/README.md
@@ -28,6 +28,15 @@ dashboard you're interested in.
 
 You can then run the updater script to populate today's data automatically.
 
+### Adding new params to existing graphs
+
+New params must be added to the end of the list.
+
+```diff
+- is:open label:{{param}},S-waiting-on-author,S-waiting-on-review
++ is:open label:{{param}},S-waiting-on-author,S-waiting-on-review,S-inactive
+```
+
 ## Running the updater script locally
 
 The updater script can also be run locally: you just need to have Python 3 and
diff --git a/data/rust-lang/rust/pr-status.csv b/data/rust-lang/rust/pr-status.csv
index 32c7c96e5..4988fbedf 100644
--- a/data/rust-lang/rust/pr-status.csv
+++ b/data/rust-lang/rust/pr-status.csv
@@ -1,4 +1,4 @@
-is:open label:{{param}},S-waiting-on-author,S-waiting-on-review,S-waiting-on-team,S-waiting-on-crater,S-waiting-on-bikeshed,S-blocked,S-waiting-on-bors,S-inactive
+is:open label:{{param}},S-waiting-on-author,S-waiting-on-review,S-waiting-on-team,S-waiting-on-crater,S-waiting-on-bikeshed,S-blocked,S-waiting-on-bors,S-inactive,S-waiting-on-ACP
 2023-01-29,233,350,11,0,1,68,14,1
 2023-01-28,230,346,12,0,1,68,28,1
 2023-01-27,229,358,11,1,1,69,18,1