Update README.md for consistency with OfficialAppTemplate

Reviewed-on: #1
Reviewed-by: asia <asia@noreply.example.org>
Reviewed-by: ymwenda <ymwenda@noreply.example.org>

README.md

@@ -1,3 +1,6 @@
-MaxMagnitudeDPModels app official repository
+# MaxMagnitudeDPModels — Official EPOS Application Repository
 
-Link to remote: https://epos-apps.grid.cyfronet.pl/official-apps/MaxMagnitudeDPModels
+This repository contains the source code and configuration files for the `MaxMagnitudeDPModels` application used within the EPOS EPISODES Platform.
+
+📦 To test or modify this application in the EPISODES environment, follow the guide:  
+https://docs.cyfronet.pl/display/ISDOC/Editing+application+codes+guide

src/Mmax.py

@@ -206,7 +206,8 @@ def main(Input_catalog, Input_injection_rate, time_win_in_hours, time_step_in_ho
         Feat_dic['Param'][0]['C'] = C
 
     if f_indx in [0,1,2,4]:
-        Feat_dic['Param'][0]['b_method'] = b_method
+        if not b_method:
+            raise ValueError("Please chose an option for b-value")
 
     if f_indx in [0,4]:
         for cl_i in cl: