screenshot plugin: capitalize pet messages constant

runelite-client/src/main/java/net/runelite/client/plugins/screenshot/ScreenshotPlugin.java

@@ -107,7 +107,7 @@ public class ScreenshotPlugin extends Plugin
 	private static final Pattern NUMBER_PATTERN = Pattern.compile("([0-9]+)");
 	private static final Pattern LEVEL_UP_PATTERN = Pattern.compile("Your ([a-zA-Z]+) (?:level is|are)? now (\\d+)\\.");
 
-	private static final ImmutableList<String> petMessages = ImmutableList.of("You have a funny feeling like you're being followed",
+	private static final ImmutableList<String> PET_MESSAGES = ImmutableList.of("You have a funny feeling like you're being followed",
 		"You feel something weird sneaking into your backpack",
 		"You have a funny feeling like you would have been followed");
 
@@ -252,8 +252,8 @@ public void onChatMessage(ChatMessage event)
 				return;
 			}
 		}
-		
-		if (config.screenshotPet() && petMessages.stream().anyMatch(chatMessage::contains))
+
+		if (config.screenshotPet() && PET_MESSAGES.stream().anyMatch(chatMessage::contains))
 		{
 			String fileName = "Pet " + TIME_FORMAT.format(new Date());
 			takeScreenshot(fileName);