diff --git a/src/window_type.h b/src/window_type.h
--- a/src/window_type.h
+++ b/src/window_type.h
@@ -162,10 +162,10 @@ enum WindowClass {
 
 
 	/**
-	 * AI settings; %Window numbers:
-	 *   - 0 = #AISettingsWidgets
+	 * Script settings; %Window numbers:
+	 *   - 0 = #ScriptSettingsWidgets
 	 */
-	WC_AI_SETTINGS,
+	WC_SCRIPT_SETTINGS,
 
 	/**
 	 * NewGRF parameters; %Window numbers:
@@ -271,10 +271,10 @@ enum WindowClass {
 	WC_SIGN_LIST,
 
 	/**
-	 * AI list; %Window numbers:
-	 *   - 0 = #AIListWidgets
+	 * Scripts list; %Window numbers:
+	 *   - 0 = #ScriptListWidgets
 	 */
-	WC_AI_LIST,
+	WC_SCRIPT_LIST,
 
 	/**
 	 * Goals list; %Window numbers:
@@ -650,10 +650,10 @@ enum WindowClass {
 
 
 	/**
-	 * AI debug window; %Window numbers:
-	 *   - 0 = #AIDebugWidgets
+	 * Script debug window; %Window numbers:
+	 *   - 0 = #ScriptDebugWidgets
 	 */
-	WC_AI_DEBUG,
+	WC_SCRIPT_DEBUG,
 
 	/**
 	 * NewGRF inspect (debug); %Window numbers: