diff --git a/.gitea/workflows/mvs_job.yaml b/.gitea/workflows/mvs_job.yaml
index 05ae216..859f328 100644
--- a/.gitea/workflows/mvs_job.yaml
+++ b/.gitea/workflows/mvs_job.yaml
@@ -18,13 +18,18 @@ jobs:
           echo "=== Debug: Starting file detection ==="
           echo "Current dir: $(pwd)"
           echo "Files in repo: $(ls -la)"
-          echo "=== Debug: Running git diff ==="
-          # Try to list changed .c or .bas files from last commit (grep filters to avoid glob issues)
-          CHANGED_FILES=$(git diff --name-only HEAD~1 2>/dev/null | grep -E '\.(c|bas)$' | head -1)
-          echo "Changed files from last commit: '${CHANGED_FILES}'"
-          echo "=== Debug: Git diff complete ==="
+          echo "=== Debug: Checking for parent commit ==="
+          if git rev-parse --verify HEAD~1 >/dev/null 2>&1; then
+            echo "Parent commit exists; running git diff."
+            CHANGED_FILES=$(git diff --name-only HEAD~1 2>/dev/null | grep -E '\.(c|bas)$' | head -1)
+            echo "Changed files from last commit: '${CHANGED_FILES}'"
+          else
+            echo "No parent commit; skipping diff."
+            CHANGED_FILES=""
+          fi
+          echo "=== Debug: Git diff check complete ==="
           
-          # Fallback to all .c/.bas files if no previous commit or no changes
+          # Fallback to all .c/.bas files if no changes or no previous commit
           if [ -z "$CHANGED_FILES" ]; then
             echo "=== Debug: No changes found; running fallback find ==="
             CHANGED_FILES=$(find . -type f \( -name "*.c" -o -name "*.bas" \) | head -1)
@@ -61,4 +66,4 @@ jobs:
 
       - name: Report Status
         run: |
-          echo "Upload/Compile complete! Check TK5 JES for JOB ${{ steps.files.outputs.member }} output."
\ No newline at end of file
+          echo "Upload/Compile complete! Check TK5 JES for JOB ${{ steps.files.outputs.member }} output."
diff --git a/src/SIEVE01.c b/src/SIEVE01.c
index bc95bac..caabe00 100644
--- a/src/SIEVE01.c
+++ b/src/SIEVE01.c
@@ -4,8 +4,6 @@
 #define PRIMES 1000
 
 // Sieve of Eratosthenes
-// Time Complexity: O(n log log n)
-// Space Complexity: O(n)
 // Author: Greg Gauthier
 // Date: 2016-01-20
 int main()