diff --git a/ptychoScopy.md b/ptychoScopy.md
index 8801aad..3db7223 100644
--- a/ptychoScopy.md
+++ b/ptychoScopy.md
@@ -19,7 +19,7 @@ To open interactive panel, run the line:
 
 
 
-[SSB instructions](https://gitlab.psi.ch/em-and-diffraction/low-dose-electron-ptychography/ptychoscopy/-/wikis/Instructions-for-SSB)
+[SSB instructions](/Instructions-for-SSB)
 
 [Iterative reconstruction instructions](https://gitlab.psi.ch/em-and-diffraction/low-dose-electron-ptychography/ptychoscopy/-/wikis/Instructions-for-iterative-reconstruction)
 
@@ -27,4 +27,4 @@ To open interactive panel, run the line:
 
 [Compatibility](https://gitlab.psi.ch/em-and-diffraction/low-dose-electron-ptychography/ptychoscopy/-/wikis/Compatibility)
 
-
+[Formulas](https://gitlab.psi.ch/em-and-diffraction/low-dose-electron-ptychography/ptychoscopy/-/wikis/Formulas)