diff --git a/plugins/civmodcore-paper/src/main/java/vg/civcraft/mc/civmodcore/maps/MapColours.java b/plugins/civmodcore-paper/src/main/java/vg/civcraft/mc/civmodcore/maps/MapColours.java
index 1913badef..7df50f06b 100644
--- a/plugins/civmodcore-paper/src/main/java/vg/civcraft/mc/civmodcore/maps/MapColours.java
+++ b/plugins/civmodcore-paper/src/main/java/vg/civcraft/mc/civmodcore/maps/MapColours.java
@@ -11,7 +11,9 @@ import org.apache.commons.collections4.CollectionUtils;
 import vg.civcraft.mc.civmodcore.utilities.CivLogger;
 
 /**
- * <a href="https://minecraft.fandom.com/wiki/Map_item_format#Base_colors">Reference</a>
+ * This is a mapped version of NMS class {@link MaterialMapColor} to make setting pixel colours easier.
+ *
+ * <a href="https://minecraft.fandom.com/wiki/Map_item_format#Base_colors">Read more.</a>
  */
 public enum MapColours {
 
@@ -74,6 +76,7 @@ public enum MapColours {
 	WARPED_STEM(MaterialMapColor.af),
 	WARPED_HYPHAE(MaterialMapColor.ag),
 	WARPED_WART_BLOCK(MaterialMapColor.ah);
+	// TODO: Add the new map colours after they're added to the fandom wiki
 
 	private final MaterialMapColor nms;
 
@@ -86,17 +89,18 @@ public enum MapColours {
 	}
 
 	public static void init() {
-		final Set<MaterialMapColor> coreMapColours = Set.of(Stream.of(values())
+		final Set<MaterialMapColor> cmcMapColours = Stream.of(values())
 				.map(MapColours::asNMS)
-				.toArray(MaterialMapColor[]::new));
-		final Set<MaterialMapColor> baseMapColours = Set.of(Stream.of(MaterialMapColor.a)
+				.collect(Collectors.toSet());
+		final Set<MaterialMapColor> nmsMapColours = Stream.of(MaterialMapColor.a)
 				.filter(Objects::nonNull)
-				.toArray(MaterialMapColor[]::new));
-		final Collection<MaterialMapColor> missing = CollectionUtils.disjunction(coreMapColours, baseMapColours);
-		if (!missing.isEmpty()) {
+				.collect(Collectors.toSet());
+		final Collection<MaterialMapColor> missingColours = CollectionUtils.disjunction(cmcMapColours, nmsMapColours);
+		if (!missingColours.isEmpty()) {
 			final CivLogger logger = CivLogger.getLogger(MapColours.class);
-			logger.warning("The following map colours are missing: " + missing.stream()
-					.map(e -> Integer.toString(e.am))
+			logger.warning("The following map colours are missing: " + missingColours.stream()
+					/** {@link MaterialMapColor#MaterialMapColor(int, int)} "id" parameter */
+					.map(colour -> Integer.toString(colour.am))
 					.collect(Collectors.joining(",")));
 		}
 	}