3-NIRVANA-user-guide/3.1-Code-basics.md

@@ -464,7 +464,7 @@ The criterion is applied to primary (or related) physical variables
 
 -   Field-length-based (potentially relevant for simulations involving a
     heatloss source but rarely used in practice):  
-![amr_Field](uploads/c6efe21c3ae7513e6e945eb14c9f6b5b/amr_Field.png)
+![amr_Field](uploads/c6efe21c3ae7513e6e945eb14c9f6b5b/amr_Field.png)  
     where the first factor is the Field length with *L*(𝜚, *T*) the
     density- and temperature-dependent heatloss function and *κ* the
     thermal conduction coefficient. ℰ<sub>*F**i**e**l**d*</sub> is a