diff --git a/electrum/daemon.py b/electrum/daemon.py
index a3379d09f87c..be4b3e3918a4 100644
--- a/electrum/daemon.py
+++ b/electrum/daemon.py
@@ -573,7 +573,7 @@ async def stop_async():
                 remove_lockfile(get_lockfile(self.config))
             self.logger.info("stopped")
             header_verification.end_process()
-            self.logger.info("ended verification daemon")
+            self.logger.info("ended verification process")
             self.asyncio_loop.call_soon_threadsafe(self.stopped_event.set)
 
     def run_gui(self, config, plugins):
diff --git a/electrum/header_verification.py b/electrum/header_verification.py
index 97291416d46a..e1d5aac609fb 100644
--- a/electrum/header_verification.py
+++ b/electrum/header_verification.py
@@ -1,3 +1,6 @@
+# Minimize imports to decrease overhead
+# Changes to blockchain.py must be reflected here
+
 import hashlib
 import multiprocessing
 import struct
@@ -358,14 +361,17 @@ def _verify_process(q_in, q_out):
             q_out.put(e)
 
 
+# Blocking, but shouldn't block
 def verify_chunk(data_tup):
     return queue_in.put(data_tup)
 
 
+# Blocking, will block
 def get_verify_result():
     return queue_out.get()
 
 
+# Blocking, but shouldn't block
 def end_process():
     queue_in.put('STOP')
     _proc.join()
diff --git a/electrum/version.py b/electrum/version.py
index 0064fb037aa6..2c988b181456 100644
--- a/electrum/version.py
+++ b/electrum/version.py
@@ -1,4 +1,4 @@
-ELECTRUM_VERSION = '0.4.2'     # version of the client package
+ELECTRUM_VERSION = '0.4.3'     # version of the client package
 APK_VERSION = '4.1.5.0'        # read by buildozer.spec
 
 PROTOCOL_VERSION = '1.9'     # protocol version requested