diff -r ffe8b2e9517b -r 1189d072f346 src/EditRecipe.h
--- a/src/EditRecipe.h	Sat Apr 16 14:44:50 2022 +0200
+++ b/src/EditRecipe.h	Sat Apr 16 15:19:04 2022 +0200
@@ -304,6 +304,7 @@
     void on_nahco3_changed(double val);
     void on_caco3_changed(double val);
     void on_calc_acid_clicked();
+    void on_target_changed(int val);
     void on_mw_ph_changed(double val);
     void on_mw_acid_changed(double val);
     void on_mw_type_changed(int val);