Fix bin DSSC script

• fix typo in script

doc/scripts/bin_dssc_module_job.sh

@@ -48,6 +48,6 @@ python -c "import papermill as pm; pm.execute_notebook(\
                   dark_runNB=int('$DARK'), \
                   runNB=int('$RUN'), \
                   module_group=int('$MODULE_GROUP'), \
-                  path='$RDIR', \
+                  path='$RDIR/', \
                   xaxis='$XAXIS', \
                   bin_width=float('$BINWIDTH')))"