diff --git a/masterlist.yaml b/masterlist.yaml
index e001172..a4809cd 100644
--- a/masterlist.yaml
+++ b/masterlist.yaml
@@ -54,6 +54,26 @@ common:
       - lang: ja
         text: '代わりに%1%を使用してください。'
 
+  - &useOnlyOneX
+    type: say
+    content:
+      - lang: en
+        text: 'Use only one %1%.'
+      - lang: ru
+        text: 'Используйте только один %1%.'
+      - lang: es
+        text: 'Utilizar solo un %1%.'
+      - lang: ko
+        text: '%1%을 한 개만 사용하십시오.'
+      - lang: zh_CN
+        text: '只使用一个%1%。'
+      - lang: ja
+        text: '%1%は一つだけ使用してください。'
+      - lang: de
+        text: 'Nutzen Sie nur einen %1%.'
+      - lang: pt
+        text: 'Utilizar apenas um %1%.'
+
 bash_tags: []
 
 globals:
@@ -259,6 +279,9 @@ plugins:
       - <<: *alreadyInX
         subs: [ 'Patch for Purists' ]
         condition: 'active("Patch for Purists.esm") or active("Patch for Purists - Base Patch.esm")'
+      - <<: *useOnlyOneX
+        subs: [ '"Script Improvements" version' ]
+        condition: 'many("gr_ScriptImprovements.es(m|p)")'
 
 #Other Mods (default)
   - name: 'Improved Argonians.esp'