diff --git a/documentation/Spectra.md b/documentation/Spectra.md
index cdf002921..0e51a1958 100644
--- a/documentation/Spectra.md
+++ b/documentation/Spectra.md
@@ -34,4 +34,12 @@ For example: `$ASTRODB_SPECTRA/infrared/filename.fits`
  - Data based on data from multiple observation dates has 'Multiple observation dates' 
    indicated in the *comments* field.
    One of the dates should be used for the *observation_date*.
- - Spectra for companions should be associated with individual sources and not grouped with the primary source.
\ No newline at end of file
+ - Spectra for companions should be associated with individual sources and not grouped with the primary source.
+
+# Check if spectra are plottable by the website
+   ```Python
+   from simple.utils.spectra import spectrum_plottable
+   file = <path to file>
+   spectrum_plottable(file, show_plot=True)
+   ```
+