diff --git a/src/main/java/tconstruct/library/TConstructRegistry.java b/src/main/java/tconstruct/library/TConstructRegistry.java
index b6154723..6ed5c0ce 100644
--- a/src/main/java/tconstruct/library/TConstructRegistry.java
+++ b/src/main/java/tconstruct/library/TConstructRegistry.java
@@ -97,7 +97,8 @@ public class TConstructRegistry
      * ingot, toolRod, pickaxeHead, shovelHead, hatchetHead, swordBlade,
      * wideGuard, handGuard, crossbar, binding, frypanHead, signHead,
      * knifeBlade, chiselHead, toughRod, toughBinding, largePlate, broadAxeHead,
-     * scytheHead, excavatorHead, largeBlade, hammerHead, fullGuard, bowstring
+     * scytheHead, excavatorHead, largeBlade, hammerHead, fullGuard, bowString,
+     * fletching, arrowHead
      */
     static HashMap<String, ItemStack> itemstackDirectory = new HashMap<String, ItemStack>();
 
diff --git a/src/main/java/tconstruct/tools/TinkerTools.java b/src/main/java/tconstruct/tools/TinkerTools.java
index c87bebab..a9332d33 100644
--- a/src/main/java/tconstruct/tools/TinkerTools.java
+++ b/src/main/java/tconstruct/tools/TinkerTools.java
@@ -178,7 +178,7 @@ public class TinkerTools
         TConstructRegistry.addItemToDirectory("blankPattern", TinkerTools.blankPattern);
         TConstructRegistry.addItemToDirectory("woodPattern", TinkerTools.woodPattern);
 
-        String[] patternTypes = { "ingot", "toolRod", "pickaxeHead", "shovelHead", "hatchetHead", "swordBlade", "wideGuard", "handGuard", "crossbar", "binding", "frypanHead", "signHead", "knifeBlade", "chiselHead", "toughRod", "toughBinding", "largePlate", "broadAxeHead", "scytheHead", "excavatorHead", "largeBlade", "hammerHead", "fullGuard" };
+        String[] patternTypes = { "ingot", "toolRod", "pickaxeHead", "shovelHead", "hatchetHead", "swordBlade", "wideGuard", "handGuard", "crossbar", "binding", "frypanHead", "signHead", "knifeBlade", "chiselHead", "toughRod", "toughBinding", "largePlate", "broadAxeHead", "scytheHead", "excavatorHead", "largeBlade", "hammerHead", "fullGuard", "bowString", "fletching", "arrowHead" };
 
         for (int i = 1; i < patternTypes.length; i++)
         {