Another small fix

src/main/java/refinedstorage/RefinedStorage.java

@@ -34,9 +34,11 @@ public final class RefinedStorage {
     public final SimpleNetworkWrapper network = NetworkRegistry.INSTANCE.newSimpleChannel(ID);
 
     public final CreativeTabs tab = new CreativeTabs(ID) {
+        private ItemStack icon = new ItemStack(RefinedStorageItems.STORAGE_HOUSING);
+
         @Override
         public ItemStack getIconItemStack() {
-            return new ItemStack(RefinedStorageItems.STORAGE_HOUSING);
+            return icon;
         }
 
         @Override

src/main/java/refinedstorage/api/storage/IStorageProvider.java

@@ -3,7 +3,7 @@ package refinedstorage.api.storage;
 import java.util.List;
 
 /**
- * Implement this interface on the tile that has a {@link refinedstorage.api.RefinedStorageCapabilities#NETWORK_NODE_CAPABILITY} capability.
+ * Represents a tile that provides storage to the network. Implement this on a tile that implements {@link refinedstorage.api.network.INetworkNode}.
  */
 public interface IStorageProvider {
     /**