diff --git a/core/src/mindustry/content/Blocks.java b/core/src/mindustry/content/Blocks.java
index 0736673a1a..e3d9ad3b44 100644
--- a/core/src/mindustry/content/Blocks.java
+++ b/core/src/mindustry/content/Blocks.java
@@ -1401,7 +1401,7 @@ public class Blocks{
 
         //TODO bad name, and there's no use for phase yet...
         phaseSynthesizer = new HeatCrafter("phase-synthesizer"){{
-            requirements(Category.crafting, with(Items.surgeAlloy, 70, Items.carbide, 90, Items.silicon, 100, Items.thorium, 100, Items.beryllium, 200));
+            requirements(Category.crafting, with(Items.carbide, 90, Items.silicon, 100, Items.thorium, 100, Items.tungsten, 200));
 
             size = 3;
 
@@ -4249,13 +4249,13 @@ public class Blocks{
         }};
 
         advancedReconstructor = new Reconstructor("advanced-reconstructor"){{
-            requirements(Category.units, with(Items.beryllium, 250, Items.oxide, 200, Items.tungsten, 200, Items.silicon, 400));
+            requirements(Category.units, with(Items.thorium, 250, Items.oxide, 200, Items.tungsten, 200, Items.silicon, 400));
             regionSuffix = "-dark";
 
             size = 5;
             consumePower(5f);
             consumeLiquid(Liquids.nitrogen, 10f / 60f);
-            consumeItems(with(Items.oxide, 20, Items.tungsten, 100));
+            consumeItems(with(Items.thorium, 80, Items.silicon, 100));
 
             constructTime = 60f * 60f;
 
diff --git a/core/src/mindustry/entities/bullet/BulletType.java b/core/src/mindustry/entities/bullet/BulletType.java
index 55be83a834..8be65f63c1 100644
--- a/core/src/mindustry/entities/bullet/BulletType.java
+++ b/core/src/mindustry/entities/bullet/BulletType.java
@@ -142,16 +142,17 @@ public class BulletType extends Content implements Cloneable{
     public boolean fragOnHit = true;
     /** If true, unit armor is ignored in damage calculations. Ignored for building armor. */
     public boolean pierceArmor = false;
-
-    //additional effects
-    
     /** Whether status and despawnHit should automatically be set. */
     public boolean setDefaults = true;
-
+    /** Degree spread range of fragmentation bullets. */
     public float fragRandomSpread = 360f;
+    /** Uniform spread between each frag bullet in degrees. */
     public float fragSpread = 0f;
+    /** Angle offset of fragmentation bullets. */
     public float fragAngle = 0f;
+    /** Number of fragmentation bullets created. */
     public int fragBullets = 9;
+
     public float fragVelocityMin = 0.2f, fragVelocityMax = 1f, fragLifeMin = 1f, fragLifeMax = 1f;
     public @Nullable BulletType fragBullet = null;
     public float bulletInterval = 20f;