diff --git a/examples/1 The_Basics.ipynb b/examples/1_The_Basics.ipynb
similarity index 100%
rename from examples/1 The_Basics.ipynb
rename to examples/1_The_Basics.ipynb
diff --git a/examples/2.5 Time.ipynb b/examples/2.5_Time.ipynb
similarity index 100%
rename from examples/2.5 Time.ipynb
rename to examples/2.5_Time.ipynb
diff --git a/examples/2.7 Vectors_and_Coordinates.ipynb b/examples/2.7_Vectors_and_Coordinates.ipynb
similarity index 100%
rename from examples/2.7 Vectors_and_Coordinates.ipynb
rename to examples/2.7_Vectors_and_Coordinates.ipynb
diff --git a/examples/2 Frames_and_Coordinate_Systems.ipynb b/examples/2_Frames_and_Coordinate_Systems.ipynb
similarity index 100%
rename from examples/2 Frames_and_Coordinate_Systems.ipynb
rename to examples/2_Frames_and_Coordinate_Systems.ipynb
diff --git a/examples/3 Orbit_Definition.ipynb b/examples/3_Orbit_Definition.ipynb
similarity index 100%
rename from examples/3 Orbit_Definition.ipynb
rename to examples/3_Orbit_Definition.ipynb
diff --git a/examples/4 Event_Detectors.ipynb b/examples/4_Event_Detectors.ipynb
similarity index 100%
rename from examples/4 Event_Detectors.ipynb
rename to examples/4_Event_Detectors.ipynb
diff --git a/examples/5.1 TLE_Propagation.ipynb b/examples/5.1_TLE_Propagation.ipynb
similarity index 100%
rename from examples/5.1 TLE_Propagation.ipynb
rename to examples/5.1_TLE_Propagation.ipynb
diff --git a/examples/5 Propagation.ipynb b/examples/5_Propagation.ipynb
similarity index 100%
rename from examples/5 Propagation.ipynb
rename to examples/5_Propagation.ipynb