diff --git a/mmgen/node_tools/Global.py b/mmgen/node_tools/Global.py
index b6a62ed..954c3fe 100644
--- a/mmgen/node_tools/Global.py
+++ b/mmgen/node_tools/Global.py
@@ -17,7 +17,7 @@
 # You should have received a copy of the GNU General Public License
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 """
-node_tools.Global: global variables for MMGen node tools
+mmgen.node_tools.Global: global variables for MMGen node tools
 """
 
 import os
diff --git a/mmgen/node_tools/Sound.py b/mmgen/node_tools/Sound.py
index e8f26f8..c9adfaa 100644
--- a/mmgen/node_tools/Sound.py
+++ b/mmgen/node_tools/Sound.py
@@ -1,4 +1,4 @@
-#!/usr/bin/python
+#!/usr/bin/env python
 # -*- coding: UTF-8 -*-
 #
 # mmgen = Multi-Mode GENerator, command-line Bitcoin cold storage solution
@@ -17,7 +17,7 @@
 # You should have received a copy of the GNU General Public License
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 """
-node_tools.Sound: audio-related functions for MMGen node tools
+mmgen.node_tools.Sound: audio-related functions for MMGen node tools
 """
 
 import sys,os,time
diff --git a/mmgen/node_tools/Term.py b/mmgen/node_tools/Term.py
index b99d8fd..36815c3 100644
--- a/mmgen/node_tools/Term.py
+++ b/mmgen/node_tools/Term.py
@@ -1,4 +1,4 @@
-#!/usr/bin/python
+#!/usr/bin/env python
 # -*- coding: UTF-8 -*-
 #
 # mmgen = Multi-Mode GENerator, command-line Bitcoin cold storage solution
@@ -17,7 +17,7 @@
 # You should have received a copy of the GNU General Public License
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 """
-node_tools.Term: terminal routines for MMGen node tools
+mmgen.node_tools.Term: terminal routines for MMGen node tools
 """
 
 import sys,os,termios
diff --git a/mmgen/node_tools/Util.py b/mmgen/node_tools/Util.py
index 91ecba6..e5704e9 100644
--- a/mmgen/node_tools/Util.py
+++ b/mmgen/node_tools/Util.py
@@ -17,7 +17,7 @@
 # You should have received a copy of the GNU General Public License
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 """
-node_tools.Util: utility functions for MMGen node tools
+mmgen.node_tools.Util: utility functions for MMGen node tools
 """
 
 import time,subprocess