diff --git a/etl/prs/prs_poc_latex_table.py b/etl/prs/prs_poc_latex_table.py
index 0ae0d5566610af2cd7e72faeda67b25e55b1526a..b0a57490016dba15eeb7c0af62b1ae4b8bf64b3c 100644
--- a/etl/prs/prs_poc_latex_table.py
+++ b/etl/prs/prs_poc_latex_table.py
@@ -104,8 +104,8 @@ table_cols = [
                                                                                                                                                          fwhm_units), ]
 ]
 captions = [
-    'Line properties of the lines in the $(2_K-1_K)$ methanol band. Only one FWHM is listed because the fit is performed forcing all lines to have the same width.',
-    'Line properties of the lines in the $(5_K-4_K)$ and $(7_K-6_K)$ methanol bands. Only one FWHM is listed per band because the fit is performed forcing all lines to have the same width.',
+    'Line properties of the lines in the $(2_K-1_K)$ methanol band. Only one FWHM is listed because the fit is performed forcing all lines to have the same width. A non-detection is indicated with three dots.',
+    'Line properties of the lines in the $(5_K-4_K)$ and $(7_K-6_K)$ methanol bands. Only one FWHM is listed per band because the fit is performed forcing all lines to have the same width. A non-detection is indicated with three dots, while missing data are indicated with \'N/A\'.',
 ]
 labels = [
     'tab:poc_lines_3mm',