diff --git a/30 Library/Lecture_10_-_compact.pdf b/30 Library/29622724 - Lecture_10_-_compact.pdf
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diff --git a/30 Library/Lecture_11_-_compact.pdf b/30 Library/29622724 - Lecture_11_-_compact.pdf
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diff --git a/30 Library/Lecture_1_-_compact.pdf b/30 Library/29622724 - Lecture_1_-_compact.pdf
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diff --git a/30 Library/Lecture_2_-_compact.pdf b/30 Library/29622724 - Lecture_2_-_compact.pdf
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diff --git a/30 Library/Lecture_3_-_compact.pdf b/30 Library/29622724 - Lecture_3_-_compact.pdf
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diff --git a/30 Library/Lecture_4_-_compact.pdf b/30 Library/29622724 - Lecture_4_-_compact.pdf
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diff --git a/30 Library/Lecture_5_-_compact.pdf b/30 Library/29622724 - Lecture_5_-_compact.pdf
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diff --git a/30 Library/Lecture_6_-_compact.pdf b/30 Library/29622724 - Lecture_6_-_compact.pdf
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diff --git a/30 Library/Lecture_7_-_compact.pdf b/30 Library/29622724 - Lecture_7_-_compact.pdf
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diff --git a/30 Library/Lecture_8_-_compact.pdf b/30 Library/29622724 - Lecture_8_-_compact.pdf
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diff --git a/30 Library/Lecture_9_-_compact.pdf b/30 Library/29622724 - Lecture_9_-_compact.pdf
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diff --git a/30 Library/normalize_name.sh b/30 Library/normalize_name.sh
index ebef027..fae3327 100755
--- a/30 Library/normalize_name.sh	
+++ b/30 Library/normalize_name.sh	
@@ -1,6 +1,5 @@
 #!/bin/bash
 
-# Check if a filename was provided
 if [ -z "$1" ]; then
     echo "Usage: $0 <filename>"
     exit 1
@@ -8,29 +7,28 @@ fi
 
 TARGET="$1"
 
-# Check if the file actually exists
 if [ ! -f "$TARGET" ]; then
     echo "Error: File '$TARGET' not found."
     exit 1
 fi
 
-# Get creation time (%W).
-# Note: Returns 0 or '-' if the filesystem doesn't support birth time.
+# Extract just the filename (e.g., "Lecture_1.pdf") 
+# and the directory path (e.g., ".")
+FILENAME=$(basename "$TARGET")
+DIRNAME=$(dirname "$TARGET")
+
 BTIME=$(stat -c %W "$TARGET")
 
-# Fallback to last modification time (%Y) if birth time is unavailable
 if [ "$BTIME" -eq 0 ] || [ "$BTIME" == "-" ]; then
     BTIME=$(stat -c %Y "$TARGET")
 fi
 
-# Calculate the minute-based timestamp (equivalent to Math.floor(ms / 60000))
-# Since stat returns seconds, we divide by 60.
 FORMATTED_DATE=$(( BTIME / 60 ))
 
-# Define the new name
-NEW_NAME="${FORMATTED_DATE} - ${TARGET}"
+# Construct the new name using ONLY the filename, 
+# then prepend the original directory path
+NEW_NAME="${DIRNAME}/${FORMATTED_DATE} - ${FILENAME}"
 
-# Perform the rename
 mv "$TARGET" "$NEW_NAME"
 
 echo "Renamed: '$TARGET' -> '$NEW_NAME'"