diff --git a/NOTES/UNIT 1/DSL UNIT 1.ppt b/notes/Unit 1/DSL - Unit 1 (PPT).ppt
similarity index 100%
rename from NOTES/UNIT 1/DSL UNIT 1.ppt
rename to notes/Unit 1/DSL - Unit 1 (PPT).ppt
diff --git a/NOTES/UNIT 2/DSL UNIT II.ppt b/notes/Unit 2/DSL - Unit 2 (PPT) (1).ppt
similarity index 100%
rename from NOTES/UNIT 2/DSL UNIT II.ppt
rename to notes/Unit 2/DSL - Unit 2 (PPT) (1).ppt
diff --git a/NOTES/UNIT 2/DSL UNIT II (1).ppt b/notes/Unit 2/DSL - Unit 2 (PPT) (2).ppt
similarity index 100%
rename from NOTES/UNIT 2/DSL UNIT II (1).ppt
rename to notes/Unit 2/DSL - Unit 2 (PPT) (2).ppt
diff --git a/NOTES/UNIT 3/UNIT III Searching and Sorting (1) (4).pptx b/notes/Unit 3/DSL - Unit 3 (Searching and Sorting) (PPT).pptx
similarity index 100%
rename from NOTES/UNIT 3/UNIT III Searching and Sorting (1) (4).pptx
rename to notes/Unit 3/DSL - Unit 3 (Searching and Sorting) (PPT).pptx