diff --git a/protocol.md b/protocol.md
--- a/protocol.md
+++ b/protocol.md
@@ -1,4 +1,4 @@
-# Protocol #
+# Protocol v0.1 #
 
 [Communication protocol proposal. Not yet fully implemented and still expected to change.]
 
@@ -40,7 +40,7 @@ hash
 - [(int) i0, ...] index: list of requested node keys from the HashTree
 
 data
-- (int) index: requested data block number in the data file. Returns blockSize bytes starting at blockSize * index.
+- [(int) i0, ...] index: list of requested data blocks from the data file. Returns blockSize bytes starting at blockSize * i.
 
 #### Responses ####
 - [send](#send)
diff --git a/src/morevna.sh b/src/morevna.sh
--- a/src/morevna.sh
+++ b/src/morevna.sh
@@ -16,7 +16,7 @@ sudo cryptsetup open --type=luks /dev/lo
 sudo mount /dev/mapper/ext2luks ~/temp
 
 sudo rdiff-backup -v 5 ~/Dokumenty ~/temp/Dokumenty
-sudo rdiff-backup -v 5 --exclude '**/__pycache__/' ~/Projekty ~/temp/Projekty
+sudo rdiff-backup -v 5 --exclude-regexp '/__pycache__/' ~/Projekty ~/temp/Projekty
 sudo rdiff-backup -v 5 ~/Obrázky ~/temp/Obrázky
 
 sudo umount /dev/mapper/ext2luks
diff --git a/src/networkers.py b/src/networkers.py
--- a/src/networkers.py
+++ b/src/networkers.py
@@ -41,7 +41,7 @@ class NetworkWriter:
 		stats.logSent(msg)
 
 	def prepMsg(self,jsonData,binData=b""):
-		jsonData=bytes(json.dumps(jsonData)+"\n",encoding="utf-8")
+		jsonData=bytes(json.dumps(jsonData,separators=(',',':'))+"\n",encoding="utf-8")
 		jsonLength=bytes("json-length: "+str(len(jsonData))+"\n",encoding="utf-8")
 		binLength=bytes("bin-length: "+str(len(binData))+"\n",encoding="utf-8")