diff --git a/robusstod/multiple_target_tracking_with_JPDA.py b/robusstod/multiple_target_tracking.py
similarity index 99%
rename from robusstod/multiple_target_tracking_with_JPDA.py
rename to robusstod/multiple_target_tracking.py
index c9b8bd79b..187fa67f0 100644
--- a/robusstod/multiple_target_tracking_with_JPDA.py
+++ b/robusstod/multiple_target_tracking.py
@@ -45,10 +45,10 @@
         print(e.msg)
         sys.exit(1)  # the exit code of 1 is a convention that means something went wrong
     from stonesoup.robusstod.physics.godot import KeplerianToCartesian, diff_equation
-    fig_title = ' with GODOT functions'
+    fig_title = ' with GODOT physics'
 else:
     from stonesoup.robusstod.physics.basic import KeplerianToCartesian, diff_equation
-    fig_title = ' with basic functions'
+    fig_title = ' with basic physics'
 
 
 def get_observation_history(truths, timesteps, measurement_model, sensor_parameters):
diff --git a/robusstod/single_target_tracking_with_no_data_association.py b/robusstod/single_target_tracking_with_no_data_association.py
index cc555d328..2c457d0d8 100644
--- a/robusstod/single_target_tracking_with_no_data_association.py
+++ b/robusstod/single_target_tracking_with_no_data_association.py
@@ -37,10 +37,10 @@
         print(e.msg)
         sys.exit(1)  # the exit code of 1 is a convention that means something went wrong
     from stonesoup.robusstod.physics.godot import KeplerianToCartesian, diff_equation
-    fig_title = ' with GODOT functions'
+    fig_title = ' with GODOT physics'
 else:
     from stonesoup.robusstod.physics.basic import KeplerianToCartesian, diff_equation
-    fig_title = ' with basic functions'
+    fig_title = ' with basic physics'
 
 
 def do_single_target_tracking(prior=None, predictor=None, updater=None, measurements=None):