fix dataset card range rendering

README.md

@@ -14,13 +14,10 @@ size_categories:
 # QMugsBin0X geometries
 
 This dataset contains 181,898 nonequilibrium molecular geometries derived from
-QMugs molecules with 10--15 heavy atoms. These are the structures for which
+QMugs molecules with 10-15 heavy atoms. These are the structures for which
 Kohn--Sham calculations converged and labels were generated. The 31,582 raw
 geometries with nonconverged Kohn--Sham calculations are not included.
 
-This repository contains geometries only: no perturbed-Fock data,
-electronic-structure labels, energies, or forces are included.
-
 ## Generation
 
 For each selected QMugs conformer, a Hessian was calculated at the xTB GFN-FF
@@ -58,8 +55,8 @@ Cartesian coordinates are in angstrom. Every XYZ comment line is
 
 - Structures: 181,898
 - Total atoms: 4,731,831
-- Atoms per structure: 12--46 (mean 26.0137)
-- Heavy atoms per structure: 10--15
+- Atoms per structure: 12-46 (mean 26.0137)
+- Heavy atoms per structure: 10-15
 - Elements: H, C, N, O, F
 
 | Split | Structures |