update suggestions

Author: QuantumMisaka

docs/advanced/input_files/input-main.md

@@ -1234,7 +1234,7 @@ Note: In new angle mixing, you should set `mixing_beta_mag >> mixing_beta`. The
 - **Type**: Real
 - **Description**: It's the density threshold for electronic iteration. It represents the charge density error between two sequential densities from electronic iterations. Usually for local orbitals, usually 1e-6 may be accurate enough.
 - **Default**: 1.0e-9 (plane-wave basis), or 1.0e-7 (localized atomic orbital basis).
-- **Unit**: Ry (`scf_thr_type=1`), or not exist (`scf_thr_type=2`)
+- **Unit**: Ry if (`scf_thr_type=1`), **dimensionless** (`scf_thr_type=2`)
 
 ### scf_ene_thr
 

docs/advanced/interface/ase.md

@@ -74,10 +74,10 @@ The command to run jobs can be set by specifying `AbacusProfile`::
 
 ```python
   from ase.calculators.abacus import AbacusProfile
-  # for OpenMP setting
+  # for OpenMP setting inside python env
   import os
-  os.environ("OMP_NUM_THREADS") = 16
-  # for MPI setting
+  os.environ("OMP_NUM_THREADS") = 1
+  # for MPI setting used in abacus
   mpi_num = 4
   # for ABACUS Profile
   abacus = '/usr/local/bin/abacus' # specify abacus exec

docs/quick_start/input.md

@@ -14,7 +14,7 @@ suffix                  MgO  # the output files will be in OUT.{suffix} director
 pseudo_dir              ./   # where the pseudopotential for each element is
 orbital_dir             ./   # where the orbital file for each element is
 ecutwfc                 100  # in Rydberg
-scf_thr                 1e-6 # no unit for LCAO, Rydberg for PW
+scf_thr                 1e-6 # dimensionless for LCAO, Rydberg for PW
 basis_type              lcao # lcao or pw
 calculation             scf  # this is the key parameter telling abacus to do a scf calculation
 out_chg                 0    # only output binary charge file for restart
@@ -39,7 +39,7 @@ In the above example, the meanings of the parameters are:
 - `pseudo_dir` : the directory where pseudopotential files are provided.
 - `orbital_dir` : the directory where orbital files are provided.
 - `ecutwfc` : the plane-wave energy cutoff for the wave function expansion (UNIT: Rydberg).
-- `scf_thr` : the threshold for the convergence of charge density (UNIT: Rydberg for PW, 1 for LCAO), we recommend `1e-7` for LCAO and `1e-9` for PW basis.
+- `scf_thr` : the threshold for the convergence of charge density (UNIT: Rydberg for PW, dimensionless for LCAO), we recommend `1e-7` for LCAO and `1e-9` for PW basis.
 - `basis_type` : the type of basis set for expanding the electronic wave functions, one can set lcao or pw.
 - `calculation` : the type of calculation to be performed by ABACUS
 - `out_chg` : setting for output the charge density in real space grid, -1 for no output, 0 for binary output, 1 for binary and cube output.