diff --git a/core/src/mindustry/entities/abilities/LiquidExplodeAbility.java b/core/src/mindustry/entities/abilities/LiquidExplodeAbility.java
index dd90e06740..1430f24a4b 100644
--- a/core/src/mindustry/entities/abilities/LiquidExplodeAbility.java
+++ b/core/src/mindustry/entities/abilities/LiquidExplodeAbility.java
@@ -18,6 +18,7 @@ public class LiquidExplodeAbility extends Ability{
 
     @Override
     public void death(Unit unit){
+        //TODO what if noise is radial, so it looks like a splat?
         int tx = unit.tileX(), ty = unit.tileY();
         int rad = (int)(unit.hitSize / tilesize * radScale);
         float realNoise = unit.hitSize / noiseMag;
diff --git a/core/src/mindustry/entities/abilities/LiquidRegenAbility.java b/core/src/mindustry/entities/abilities/LiquidRegenAbility.java
new file mode 100644
index 0000000000..f0054978ec
--- /dev/null
+++ b/core/src/mindustry/entities/abilities/LiquidRegenAbility.java
@@ -0,0 +1,11 @@
+package mindustry.entities.abilities;
+
+import mindustry.gen.*;
+
+public class LiquidRegenAbility extends Ability{
+
+    @Override
+    public void update(Unit unit){
+
+    }
+}
diff --git a/core/src/mindustry/type/Liquid.java b/core/src/mindustry/type/Liquid.java
index fdf17b06fe..f170cccd92 100644
--- a/core/src/mindustry/type/Liquid.java
+++ b/core/src/mindustry/type/Liquid.java
@@ -31,7 +31,7 @@ public class Liquid extends UnlockableContent{
     public float temperature = 0.5f;
     /** how much heat this liquid can store. 0.4=water (decent), anything lower is probably less dense and bad at cooling. */
     public float heatCapacity = 0.5f;
-    /** how thick this liquid is. 0.5=water (relatively viscous), 1 would be something like tar (very slow) */
+    /** how thick this liquid is. 0.5=water (relatively viscous), 1 would be something like tar (very slow). */
     public float viscosity = 0.5f;
     /** how prone to exploding this liquid is, when heated. 0 = nothing, 1 = nuke */
     public float explosiveness;
diff --git a/core/src/mindustry/type/NeoplasmUnitType.java b/core/src/mindustry/type/NeoplasmUnitType.java
index 992850765f..e67cd24f2e 100644
--- a/core/src/mindustry/type/NeoplasmUnitType.java
+++ b/core/src/mindustry/type/NeoplasmUnitType.java
@@ -27,5 +27,6 @@ public class NeoplasmUnitType extends UnitType{
 
         //TODO
         //- liquid regen ability
+        //- new explode effect
     }
 }