diff --git a/Aramis-Intensity-Diagnostics/Overview.md b/Aramis-Intensity-Diagnostics/Overview.md
index e8c1797..1cd4a66 100644
--- a/Aramis-Intensity-Diagnostics/Overview.md
+++ b/Aramis-Intensity-Diagnostics/Overview.md
@@ -2,7 +2,8 @@ The following intensity and position diagnostics are installed in the Aramis FEL
 ## Back scattering monitors
 **Purpose:** Shot-to-shot non-destructive measurement of X-ray beam position and intensity (**P**hoton**B**eam**P**osition**S**olid)
 
-[PBPS user guide](Aramis-Intensity-Diagnostics/PBPS-Guide)  
+[PBPS calibration guide](Aramis-Intensity-Diagnostics/PBPS-Guide)  
+[PBPS electronics guide](Aramis-Intensity-Diagnostics/PBPS-Electronics-Guide)  
 [PBPS BS faults](Aramis-Intensity-Diagnostics/PBPS-BS-fault)  
 [PBPS data and processing](Aramis-Intensity-Diagnostics/PBPS-data)