corrected typo

meta_info/nomad_meta_info/quasi-harmonic-properties.nomadmetainfo.json

@@ -42,7 +42,7 @@
     },
     {
       "description": "The chemical formula of the material for which the quasi-harmonic properties were calculated",
-      "dtypeStr": "f",
+      "dtypeStr": "C",
       "name": "x_qhp_formula",
       "shape": [
         "number_of_thermodynamical_property_values"