diff --git a/paper/paper.md b/paper/paper.md
index b6e8fe9..43d3c15 100644
--- a/paper/paper.md
+++ b/paper/paper.md
@@ -1,14 +1,14 @@
-title: 'SteParKin a Python code to determine Galactic-space velocity components evaluate membership to stellar kinematic groups and assign stellar populations'
+title: 'SteParKin: a Python code to determine Galactic-space velocity components, evaluate membership to stellar kinematic groups and assign stellar populations'
 
-authors:
+authors: 
     name: David Montes
     orcid: 0000-0002-7779-238X
     equal-contrib: true
-    affiliation: 1
+    affiliation: '1'
     name: H.M. Tabernero
     orcid: 0000-0002-8087-4298
     equal-contrib: true
-    affiliation: 1
+    affiliation: '1'
     
 affiliations:
     name: Departamento de Física de la Tierra y Astrofísica and IPARCOS-UCM (Instituto de Física de Partículas y del Cosmos de la UCM), Facultad de Ciencias Físicas, Universidad Complutense de Madrid, E-28040, Madrid, Spain