diff --git a/Code/Day 1_Data Preprocessing.ipynb b/Code/Day 1_Data_Preprocessing.ipynb
similarity index 100%
rename from Code/Day 1_Data Preprocessing.ipynb
rename to Code/Day 1_Data_Preprocessing.ipynb
diff --git a/Code/Day 1_Data Preprocessing.md b/Code/Day 1_Data_Preprocessing.md
similarity index 100%
rename from Code/Day 1_Data Preprocessing.md
rename to Code/Day 1_Data_Preprocessing.md
diff --git a/Code/Day 1_Data Prepocessing.py b/Code/Day 1_Data_Preprocessing.py
similarity index 100%
rename from Code/Day 1_Data Prepocessing.py
rename to Code/Day 1_Data_Preprocessing.py
diff --git a/Code/DAY 2_Simple_Linear_Regression.ipynb b/Code/Day 2_Simple_Linear_Regression.ipynb
similarity index 100%
rename from Code/DAY 2_Simple_Linear_Regression.ipynb
rename to Code/Day 2_Simple_Linear_Regression.ipynb
diff --git a/Code/Day2_Simple_Linear_Regression.md b/Code/Day 2_Simple_Linear_Regression.md
similarity index 100%
rename from Code/Day2_Simple_Linear_Regression.md
rename to Code/Day 2_Simple_Linear_Regression.md
diff --git a/Code/Day3_Multiple_Linear_Regression.md b/Code/Day 3_Multiple_Linear_Regression.md
similarity index 100%
rename from Code/Day3_Multiple_Linear_Regression.md
rename to Code/Day 3_Multiple_Linear_Regression.md
diff --git a/Code/Day6 Logistic Regression.md b/Code/Day 6_Logistic_Regression.md
similarity index 100%
rename from Code/Day6 Logistic Regression.md
rename to Code/Day 6_Logistic_Regression.md