diff --git a/karoo_gp.py b/karoo_gp.py
index c3c2063..b690eec 100644
--- a/karoo_gp.py
+++ b/karoo_gp.py
@@ -1,7 +1,7 @@
 # Karoo GP (desktop + server combined)
 # Use Genetic Programming for Classification and Symbolic Regression
 # by Kai Staats, MSc; see LICENSE.md
-# version 2.1
+# version 2.1 final for Python 2.7
 
 '''
 A word to the newbie, expert, and brave--
diff --git a/modules/karoo_gp_base_class.py b/modules/karoo_gp_base_class.py
index 00c988b..449967e 100644
--- a/modules/karoo_gp_base_class.py
+++ b/modules/karoo_gp_base_class.py
@@ -2,7 +2,7 @@
 # Define the methods and global variables used by Karoo GP
 # by Kai Staats, MSc; see LICENSE.md
 # Thanks to Emmanuel Dufourq and Arun Kumar for support during 2014-15 devel; TensorFlow support provided by Iurii Milovanov
-# version 2.1.3
+# version 2.1.3 final for Python 2.7
 
 '''
 A NOTE TO THE NEWBIE, EXPERT, AND BRAVE
diff --git a/modules/karoo_gp_pause.py b/modules/karoo_gp_pause.py
index 265aff5..e28364f 100644
--- a/modules/karoo_gp_pause.py
+++ b/modules/karoo_gp_pause.py
@@ -1,7 +1,7 @@
 # Karoo GP Pause Menu
 # A text-based user interface for mid-run parameter configuration and population studies
 # by Kai Staats, MSc; see LICENSE.md
-# version 2.1.3
+# version 2.1.3 final for Python 2.7
 
 def pause(menu_dict):