diff --git a/tools/generate_optical_report.py b/tools/generate_optical_report.py
index 0727d5c5..5aa8c43a 100644
--- a/tools/generate_optical_report.py
+++ b/tools/generate_optical_report.py
@@ -415,7 +415,7 @@ def make_psd_plot(psd_data_dict, title="Power Spectral Density"):
     return fig.to_html(include_plotlyjs=False, full_html=False, div_id="psd_plot")
 
 
-def _psd_summary_html(band_dict):
+def _psd_summary_html(band_dict, label=""):
     """Generate an HTML summary card for PSD band RMS values."""
     m = band_dict
     total = m['total_rms']
@@ -425,7 +425,7 @@ def _psd_summary_html(band_dict):
 
     return f"""
     <div class="sf-breakdown">
-        <h4>PSD Band Decomposition (Tony Hull Methodology)</h4>
+        <h4>{'PSD Band Decomposition — ' + label if label else 'PSD Band Decomposition (Tony Hull Methodology)'}</h4>
         <div class="sf-band-grid">
             <div class="sf-band-card sf-lsf">
                 <div class="sf-band-label">Gravity Signature</div>
@@ -979,9 +979,9 @@ def generate_report(
             print(f"  [WARN] PSD for {ang_label} failed: {e}")
 
     psd_plot_html = make_psd_plot(psd_plot_data) if psd_plot_data else ""
-    psd_summary_40 = _psd_summary_html(psd_bands['40° vs 20°']) if '40° vs 20°' in psd_bands else ""
-    psd_summary_60 = _psd_summary_html(psd_bands['60° vs 20°']) if '60° vs 20°' in psd_bands else ""
-    psd_summary_90 = _psd_summary_html(psd_bands['90° (Abs)']) if '90° (Abs)' in psd_bands else ""
+    psd_summary_40 = _psd_summary_html(psd_bands['40° vs 20°'], '40° vs 20° (Relative)') if '40° vs 20°' in psd_bands else ""
+    psd_summary_60 = _psd_summary_html(psd_bands['60° vs 20°'], '60° vs 20° (Relative)') if '60° vs 20°' in psd_bands else ""
+    psd_summary_90 = _psd_summary_html(psd_bands['90° (Abs)'], '90° Manufacturing (Absolute)') if '90° (Abs)' in psd_bands else ""
 
     # Per-angle RMS plot
     angle_rms_data = {}