diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index eac2894164..e28d554513 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -38,7 +38,7 @@ fixes or code moves with actual code changes.
 Commit messages should be verbose by default consisting of a short subject line
 (50 chars max), a blank line and detailed explanatory text as separate
 paragraph(s); unless the title alone is self-explanatory (like "Corrected typo
-in main.cpp") then a single title line is sufficient. Commit messages should be
+in init.cpp") then a single title line is sufficient. Commit messages should be
 helpful to people reading your code in the future, so explain the reasoning for
 your decisions. Further explanation [here](http://chris.beams.io/posts/git-commit/).
 
@@ -79,7 +79,7 @@ Examples:
     Consensus: Add new opcode for BIP-XXXX OP_CHECKAWESOMESIG
     Net: Automatically create hidden service, listen on Tor
     Qt: Add feed bump button
-    Trivial: Fix typo in main.cpp
+    Trivial: Fix typo in init.cpp
 
 If a pull request is specifically not to be considered for merging (yet) please
 prefix the title with [WIP] or use [Tasks Lists](https://help.github.com/articles/basic-writing-and-formatting-syntax/#task-lists)
diff --git a/src/governance.h b/src/governance.h
index 1b38cd123b..6574dc43e7 100644
--- a/src/governance.h
+++ b/src/governance.h
@@ -293,7 +293,7 @@ public:
     virtual ~CGovernanceManager() {}
 
     /**
-     * This is called by AlreadyHave in main.cpp as part of the inventory
+     * This is called by AlreadyHave in net_processing.cpp as part of the inventory
      * retrieval process.  Returns true if we want to retrieve the object, otherwise
      * false. (Note logic is inverted in AlreadyHave).
      */
diff --git a/src/instantx.cpp b/src/instantx.cpp
index 3a34a94b1e..3dd4deedc3 100644
--- a/src/instantx.cpp
+++ b/src/instantx.cpp
@@ -52,7 +52,7 @@ void CInstantSend::ProcessMessage(CNode* pfrom, const std::string& strCommand, C
     if(fLiteMode) return; // disable all Dash specific functionality
     if(!sporkManager.IsSporkActive(SPORK_2_INSTANTSEND_ENABLED)) return;
 
-    // NOTE: NetMsgType::TXLOCKREQUEST is handled via ProcessMessage() in main.cpp
+    // NOTE: NetMsgType::TXLOCKREQUEST is handled via ProcessMessage() in net_processing.cpp
 
     if (strCommand == NetMsgType::TXLOCKVOTE) // InstantSend Transaction Lock Consensus Votes
     {
diff --git a/src/test/DoS_tests.cpp b/src/test/DoS_tests.cpp
index 84c9a962f7..275b403566 100644
--- a/src/test/DoS_tests.cpp
+++ b/src/test/DoS_tests.cpp
@@ -23,7 +23,7 @@
 #include <boost/foreach.hpp>
 #include <boost/test/unit_test.hpp>
 
-// Tests this internal-to-main.cpp method:
+// Tests these internal-to-net_processing.cpp methods:
 extern bool AddOrphanTx(const CTransactionRef& tx, NodeId peer);
 extern void EraseOrphansFor(NodeId peer);
 extern unsigned int LimitOrphanTxSize(unsigned int nMaxOrphans);
diff --git a/src/txmempool.cpp b/src/txmempool.cpp
index b343faccc7..405258533f 100644
--- a/src/txmempool.cpp
+++ b/src/txmempool.cpp
@@ -385,7 +385,7 @@ bool CTxMemPool::addUnchecked(const uint256& hash, const CTxMemPoolEntry &entry,
 {
     NotifyEntryAdded(entry.GetSharedTx());
     // Add to memory pool without checking anything.
-    // Used by main.cpp AcceptToMemoryPool(), which DOES do
+    // Used by AcceptToMemoryPool(), which DOES do
     // all the appropriate checks.
     LOCK(cs);
     indexed_transaction_set::iterator newit = mapTx.insert(entry).first;