diff --git a/battery-model-lithium-ion.ttl b/battery-model-lithium-ion.ttl
index ecaeadf..e45f4ab 100644
--- a/battery-model-lithium-ion.ttl
+++ b/battery-model-lithium-ion.ttl
@@ -64,7 +64,7 @@
                                                rdfs:subClassOf electrochemistry:electrochemistry_f22bd1ec_faca_4335_92a5_a1687154c622 ;
                                                skos:prefLabel "NegativeElectrodeLithiumStoichiometricCoefficientAtSOC0"@en ;
                                                :bmli_0a5b99ee_995b_4899_a79b_925a4086da37 "['Parameterisation','Negative electrode','Minimum stoichiometry']"@en ;
-                                               :bmli_1b718841_5d72_4071_bb71_fc4a754f5e30 "['negative_electrode','active_materials','stoichiometry0','value']"@en .
+                                               :bmli_1b718841_5d72_4071_bb71_fc4a754f5e30 "['negative_electrode','active_materials',0,'stoichiometry0','value']"@en .
 
 
 ###  https://w3id.org/emmo/domain/battery-model-lithium-ion#modellib_43f77743_1af6_4a0f_9cc6_285c2a450549