diff --git a/src/com/shatteredpixel/shatteredpixeldungeon/actors/mobs/Swarm.java b/src/com/shatteredpixel/shatteredpixeldungeon/actors/mobs/Swarm.java
index e541aad19..f5047d4f8 100644
--- a/src/com/shatteredpixel/shatteredpixeldungeon/actors/mobs/Swarm.java
+++ b/src/com/shatteredpixel/shatteredpixeldungeon/actors/mobs/Swarm.java
@@ -136,7 +136,7 @@ public class Swarm extends Mob {
 	@Override
 	public void die( Object cause ){
         //sets drop chance
-        lootChance = 1f/((5 + Dungeon.limitedDrops.swarmHP.count ) * generation );
+        lootChance = 1f/((5 + Dungeon.limitedDrops.swarmHP.count ) * generation+1 );
         super.die( cause );
     }
 
diff --git a/src/com/shatteredpixel/shatteredpixeldungeon/items/artifacts/UnstableSpellbook.java b/src/com/shatteredpixel/shatteredpixeldungeon/items/artifacts/UnstableSpellbook.java
index fdda37d4a..41bb314ca 100644
--- a/src/com/shatteredpixel/shatteredpixeldungeon/items/artifacts/UnstableSpellbook.java
+++ b/src/com/shatteredpixel/shatteredpixeldungeon/items/artifacts/UnstableSpellbook.java
@@ -227,7 +227,8 @@ public class UnstableSpellbook extends Artifact {
                 }
                 if (item != null)
                     GLog.w("You are unable to add this scroll to the book.");
-            }
+            } else if (item instanceof Scroll && !item.isIdentified())
+                GLog.w("You're not sure what type of scroll this is yet.");
         }
     };
 }