diff --git a/examples/full_configuration.json b/examples/full_configuration.json
index aadc49b..6635e4c 100644
--- a/examples/full_configuration.json
+++ b/examples/full_configuration.json
@@ -20,26 +20,26 @@
       "N star": 1.74,
       "molecular weight [kg mol-1]": 0.0340147,
       "density [kg m-3]": 1000.0,
-      "absolute tolerance": 1.0e-10
+      "__absolute tolerance": 1.0e-10
     },
     {
       "name": "ethanol",
       "diffusion coefficient [m2 s-1]": 0.95E-05,
       "N star": 2.55,
       "molecular weight [kg mol-1]": 0.04607,
-      "absolute tolerance": 1.0e-20
+      "__absolute tolerance": 1.0e-20
     },
     {
       "name": "ethanol_aq",
       "molecular weight [kg mol-1]": 0.04607,
       "density [kg m-3]": 1000.0,
-      "absolute tolerance": 1.0e-20
+      "__absolute tolerance": 1.0e-20
     },
     {
       "name": "H2O2_aq",
       "molecular weight [kg mol-1]": 0.0340147,
       "density [kg m-3]": 1000.0,
-      "absolute tolerance": 1.0e-10
+      "__absolute tolerance": 1.0e-10
     },
     {
       "name": "H2O_aq",
@@ -51,14 +51,14 @@
       "phase": "AEROSOL",
       "molecular weight [kg mol-1]": 0.5,
       "density [kg m-3]": 1000.0,
-      "absolute tolerance": 1.0e-20
+      "__absolute tolerance": 1.0e-20
     },
     {
       "name": "more aerosol stuff",
       "phase": "AEROSOL",
       "molecular weight [kg mol-1]": 0.2,
       "density [kg m-3]": 1000.0,
-      "absolute tolerance": 1.0e-20
+      "__absolute tolerance": 1.0e-20
     }
   ],
   "phases": [