fixed various typo

docs/sphinx/source/tutorials/level1/breaking-a-carbon-nanotube.rst

@@ -289,7 +289,7 @@ The LAMMPS input
 .. container:: justify
 
     The file *parm.lammps* is included in the
-    simulation by adding the following line to the *input.lammps* file:
+    simulation by adding the following line into the *input.lammps* file:
 
 .. code-block:: lammps
 
@@ -340,7 +340,7 @@ Prepare the initial state
 
 .. container:: justify
 
-    Let us also change the box boundaries by adding the following line to *input.lammps*:
+    Let us also change the box boundaries by adding the following line into *input.lammps*:
 
 .. code-block:: lammps
 
@@ -358,7 +358,7 @@ Prepare the initial state
     A displacement will be imposed on the edges of the CNT. To do so, let us isolate the
     atoms from the two edges and place them into groups named *rtop*
     and *rbot*, respectively.
-    Add the following lines to *input.lammps*:
+    Add the following lines into *input.lammps*:
 
 .. code-block:: lammps
 
@@ -465,7 +465,7 @@ The molecular dynamics
 .. container:: justify
 
    Let us specify the thermalization and the dynamics of the
-   system. Add the following lines to *input.lammps*:
+   system. Add the following lines into *input.lammps*:
 
 .. code-block:: lammps
 
@@ -792,7 +792,7 @@ Use of AIREBO potential
 .. container:: justify
 
     Then, let us import the LAMMPS data file, and set the
-    pair coefficients by adding the following lines to *input.lammps*
+    pair coefficients by adding the following lines into *input.lammps*
 
 .. code-block:: lammps
 
@@ -875,7 +875,7 @@ Start the simulation
 
     First, as an equilibration step, let us set the velocity to 0
     for the atoms of both edges. Let us fully constrain the edges.
-    Add the following lines to LAMMPS:
+    Add the following lines into LAMMPS:
 
 .. code-block:: lammps
 

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

@@ -327,7 +327,7 @@ Simulation Settings
     - :math:`\sigma_{12} = \sqrt{1.0 \times 3.0} = 1.732`.
 
     When necessary, cross-parameters can be explicitly specified
-    by adding the following line to the input file: *pair_coeff 1 2 0.707 1.732*. 
+    by adding the following line into the input file: *pair_coeff 1 2 0.707 1.732*. 
     This can be used for instance to increase the attraction between particles
     of type 1 and 2, without affecting the interactions between particles of the same type.
 
@@ -378,7 +378,7 @@ Energy minimization
 ..  container:: justify
 
     The system is now fully parametrized. Let us fill the two last remaining sections
-    by adding the following lines to *input.lammps*:
+    by adding the following lines into *input.lammps*:
 
 ..  code-block:: lammps
 
@@ -902,7 +902,7 @@ Restarting from a saved configuration
 
 ..  container:: justify
 
-    Add the following lines to *input.md.lammps*.
+    Add the following lines into *input.md.lammps*.
     Note the absence of *Simulation settings* section,
     because the settings are taken from the *.data* file.
 

docs/sphinx/source/tutorials/level2/nanosheared-electrolyte.rst

@@ -103,7 +103,7 @@ System generation
 
 ..  container:: justify
 
-    Let us create the box by adding the following lines to *input.lammps*:
+    Let us create the box by adding the following lines into *input.lammps*:
 
 ..  code-block:: lammps
 
@@ -150,7 +150,7 @@ System generation
     sub-regions corresponding respectively to the two solid
     walls, and create a larger region from the union of the two
     regions. Then, let us create atoms of type 5 (the wall) within the two
-    regions. Add the following lines to *input.lammps*:
+    regions. Add the following lines into *input.lammps*:
 
 ..  code-block:: lammps
 
@@ -178,7 +178,7 @@ System generation
 
 ..  container:: justify
 
-    Add the following lines to *input.lammps*:
+    Add the following lines into *input.lammps*:
 
 ..  code-block:: lammps
 
@@ -347,7 +347,7 @@ System generation
 ..  container:: justify
 
     To avoid high density and pressure,
-    let us add the following lines to *input.lammps*
+    let us add the following lines into *input.lammps*
     to delete a few of the water molecules:
 
 ..  code-block:: lammps
@@ -356,7 +356,7 @@ System generation
 
 ..  container:: justify
 
-    Finally, add the following lines to *input.lammps*:
+    Finally, add the following lines into *input.lammps*:
 
 ..  code-block:: lammps
 
@@ -505,7 +505,7 @@ Energy minimization
 ..  container:: justify
 
     Let us also print the atom positions in a *.lammpstrj* file by
-    adding the following line to *input.lammps*:
+    adding the following line into *input.lammps*:
 
 ..  code-block:: lammps
 
@@ -622,7 +622,7 @@ System equilibration
 
 ..  container:: justify
 
-    Then, add the following lines to *input.lammps* for
+    Then, add the following lines into *input.lammps* for
     the trajectory visualization and output:
 
 ..  code-block:: lammps
@@ -772,7 +772,7 @@ Imposed shearing
     Finally, let us dump the atom positions, extract the
     velocity profiles using several *ave/chunk* commands, extract the
     force applied on the walls, and then run for :math:`200\,\text{ps}`
-    Add the following lines to *input.lammps*:
+    Add the following lines into *input.lammps*:
 
 ..  code-block:: lammps