diff --git a/01_Highest_income/example01_json.py b/01_HighestSalaries/example01_json.py
similarity index 100%
rename from 01_Highest_income/example01_json.py
rename to 01_HighestSalaries/example01_json.py
diff --git a/02_Wind_turbines/example02_csv.py b/02_WindTurbines/example02_csv.py
similarity index 100%
rename from 02_Wind_turbines/example02_csv.py
rename to 02_WindTurbines/example02_csv.py
diff --git a/03_Monuments_slideshow/example03_slideshow.py b/03_MonumentsSlideshow/example03_slideshow.py
similarity index 100%
rename from 03_Monuments_slideshow/example03_slideshow.py
rename to 03_MonumentsSlideshow/example03_slideshow.py