diff --git a/Aramis-spectral-diagnostics/PSSS-user-guide.md b/Aramis-spectral-diagnostics/PSSS-user-guide.md
index 7503dae..7bbb664 100644
--- a/Aramis-spectral-diagnostics/PSSS-user-guide.md
+++ b/Aramis-spectral-diagnostics/PSSS-user-guide.md
@@ -11,7 +11,7 @@ There are different bent crystals suitable for different energy ranges and spect
 - 10.25-13 keV - Si(220) bending radius 200 mm
 
 # Alignment tweaks
-[Spectrum not updating? Jump to help](## PSSS spectrum not updating)
+[Spectrum not updating? Jump to help](## PSSS-spectrum-not-updating)
 ## Photon energy outside window
 **Description**  
 There can be an offset between reported machine photon energy and actual photon energy