small change tutorial

Author: simongravelle

docs/sphinx/source/tutorials/level1/protein-in-electrolyte.rst

@@ -5,13 +5,14 @@ Protein in electrolyte
 
 .. container:: hatnote
 
-    Simulating a protein in an electrolyte
+    Simulating a solvated protein
 
 .. container:: justify
 
     The goal of this tutorial is to use GROMACS and perform a simple
     molecular dynamics simulation of a protein solvated in an electrolyte. The
-    protein will be downloaded from the Protein Data Bank (PDB) :cite:`bank1971protein`.
+    protein will be downloaded from the Protein Data Bank (PDB) :cite:`bank1971protein`
+    and solvated in an electrolyte.
 
 .. include:: ../../non-tutorials/needhelp.rst
 .. include:: ../../non-tutorials/recommand-salt.rst