diff --git a/newcoin.vcxproj b/newcoin.vcxproj
index 65bbd332c4..2beb907c7c 100644
--- a/newcoin.vcxproj
+++ b/newcoin.vcxproj
@@ -124,6 +124,8 @@
     <ClCompile Include="src\NetworkOPs.cpp" />
     <ClCompile Include="src\NewcoinAddress.cpp" />
     <ClCompile Include="src\NicknameState.cpp" />
+    <ClCompile Include="src\OrderBook.cpp" />
+    <ClCompile Include="src\OrderBookDB.cpp" />
     <ClCompile Include="src\PackedMessage.cpp" />
     <ClCompile Include="src\ParseSection.cpp" />
     <ClCompile Include="src\Pathfinder.cpp" />
@@ -211,6 +213,8 @@
     <ClInclude Include="src\NetworkStatus.h" />
     <ClInclude Include="src\NewcoinAddress.h" />
     <ClInclude Include="src\NicknameState.h" />
+    <ClInclude Include="src\OrderBook.h" />
+    <ClInclude Include="src\OrderBookDB.h" />
     <ClInclude Include="src\PackedMessage.h" />
     <ClInclude Include="src\ParseSection.h" />
     <ClInclude Include="src\Pathfinder.h" />
diff --git a/newcoin.vcxproj.filters b/newcoin.vcxproj.filters
index b636aa2606..d18959032e 100644
--- a/newcoin.vcxproj.filters
+++ b/newcoin.vcxproj.filters
@@ -282,6 +282,12 @@
     <ClCompile Include="src\RippleLines.cpp">
       <Filter>Source Files</Filter>
     </ClCompile>
+    <ClCompile Include="src\OrderBookDB.cpp">
+      <Filter>Source Files</Filter>
+    </ClCompile>
+    <ClCompile Include="src\OrderBook.cpp">
+      <Filter>Source Files</Filter>
+    </ClCompile>
   </ItemGroup>
   <ItemGroup>
     <ClInclude Include="KnownNodeList.h">
@@ -518,6 +524,12 @@
     <ClInclude Include="src\RippleLines.h">
       <Filter>Header Files</Filter>
     </ClInclude>
+    <ClInclude Include="src\OrderBookDB.h">
+      <Filter>Header Files</Filter>
+    </ClInclude>
+    <ClInclude Include="src\OrderBook.h">
+      <Filter>Header Files</Filter>
+    </ClInclude>
   </ItemGroup>
   <ItemGroup>
     <None Include="wallet.xml" />
diff --git a/src/Ledger.h b/src/Ledger.h
index b90d440895..3de26d5e06 100644
--- a/src/Ledger.h
+++ b/src/Ledger.h
@@ -115,7 +115,7 @@ public:
 	void disarmDirty()	{ mTransactionMap->disarmDirty();	mAccountStateMap->disarmDirty(); }
 
 	// This ledger has closed, will never be accepted, and is accepting
-	// new transactions to be re-repocessed when do accept a new last-closed ledger
+	// new transactions to be re-reprocessed when do accept a new last-closed ledger
 	void bumpSeq()		{ mClosed = true; mLedgerSeq++; }
 
 	// ledger signature operations
diff --git a/src/SerializedTypes.h b/src/SerializedTypes.h
index 63977102ca..ca283c3dea 100644
--- a/src/SerializedTypes.h
+++ b/src/SerializedTypes.h
@@ -281,6 +281,7 @@ public:
 	int getExponent() const				{ return mOffset; }
 	uint64 getMantissa() const			{ return mValue; }
 
+	// When the currency is XNS, the value in raw units. S=signed
 	uint64 getNValue() const			{ if (!mIsNative) throw std::runtime_error("not native"); return mValue; }
 	void setNValue(uint64 v)			{ if (!mIsNative) throw std::runtime_error("not native"); mValue = v; }
 	int64 getSNValue() const;