small update

Author: simongravelle

docs/sphinx/source/_static/custom.css

@@ -35,6 +35,7 @@
 :root { /*https://fontawesomeicons.com/svg/icons/info*/
   --icon--info: url('data:image/svg+xml;charset=utf-8, <svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="currentColor" class="bi bi-info-circle" viewBox="0 0 16 16"> <path d="M8 15A7 7 0 1 1 8 1a7 7 0 0 1 0 14zm0 1A8 8 0 1 0 8 0a8 8 0 0 0 0 16z"/> <path d="m8.93 6.588-2.29.287-.082.38.45.083c.294.07.352.176.288.469l-.738 3.468c-.194.897.105 1.319.808 1.319.545 0 1.178-.252 1.465-.598l.088-.416c-.2.176-.492.246-.686.246-.275 0-.375-.193-.304-.533L8.93 6.588zM9 4.5a1 1 0 1 1-2 0 1 1 0 0 1 2 0z"/> </svg>')
 }
+
 .admonition.info > .admonition-title {
   background-color: #2962ff10;
   border-color: #2963ff;

docs/sphinx/source/tutorials/level1/lennard-jones-fluid.rst

@@ -546,9 +546,10 @@ Molecular dynamics
     parameter determines how rapidly the temperature is relaxed to its desired value.
     The number *1530917* is a seed, you can
     change it to perform statistically independent simulations.
-    Finally, we choose the value of the *timestep* and we ask LAMMPS to
-    run for 10000 steps, corresponding to a total duration of 50 (unitless).
-    
+    Finally, the last two lines set the value of the *timestep* and the
+    number of steps for the *run*, respectively, corresponding to a total duration
+    of 50 (unitless).
+
 .. admonition:: What is a fix?
     :class: info