diff --git a/content/pages/Conclusiones.md b/content/pages/Conclusiones.md
index afb7b1f7cfb898a019a96d56adfee1e3d6d7e183..bb39155cb25428b7eee5a195100c169da7f90b6e 100644
--- a/content/pages/Conclusiones.md
+++ b/content/pages/Conclusiones.md
@@ -1,8 +1,7 @@
 Title: Conclusions
 Date: 2016-03-25
 Category: Page
-Slug: conclusions
-Ordinal:5
+Ordinal:005
 
 This site is hosted on GitLab Pages!
 Conclusions
diff --git a/content/pages/Dataset.md b/content/pages/Dataset.md
index 870013890e9733c6b56d45c8d7b3a416b0bf1008..c43c1057ba794b99bee02b0b8c97fb3ae6481b02 100644
--- a/content/pages/Dataset.md
+++ b/content/pages/Dataset.md
@@ -1,8 +1,7 @@
 Title: Dataset
 Date: 2016-03-25
 Category: Page
-Slug: dataset
-Ordinal:2
+Ordinal:002
 
 This site is hosted on GitLab Pages!
 Datasets
diff --git a/content/pages/Experimentos.md b/content/pages/Experimentos.md
index 5a9aab940baec013c2889dd59545f60e4898a935..a2c11ed992b45db3f173529f16a7b265e9271c17 100644
--- a/content/pages/Experimentos.md
+++ b/content/pages/Experimentos.md
@@ -1,8 +1,7 @@
 Title: Experiments
 Date: 2016-03-25
 Category: Page
-Slug: expermients
-Ordinal:4
+Ordinal:004
 
 This site is hosted on GitLab Pages!
 Experiments
diff --git a/content/pages/Introduccion.md b/content/pages/Introduccion.md
index de0171163f6961f293c5f2e965822f4e2701fcf1..de6d28dfb5cfa92f538222950f0cb7bcc9f417c3 100644
--- a/content/pages/Introduccion.md
+++ b/content/pages/Introduccion.md
@@ -1,11 +1,10 @@
 Title: Introduction
 Date: 2016-03-25
 Category: Page
-Slug: introduction
-Ordinal:1
+Ordinal:001
 
 This site is hosted on GitLab Pages!
-Introduccion
+Introduction
 The source code of this site is at <https://gitlab.com/pages/pelican>.
 
 Learn about GitLab Pages at <https://pages.gitlab.io>.
diff --git a/content/pages/Metodos.md b/content/pages/Metodos.md
index 3f004c5974a8509616595d66381855f7f2bd9205..5ea55098b11e2fe1b7c901625d23761612cf0bf4 100644
--- a/content/pages/Metodos.md
+++ b/content/pages/Metodos.md
@@ -2,10 +2,10 @@ Title: Methods
 Date: 2016-03-25
 Category: Page
 Slug: methods
-Ordinal:3
+Ordinal:003
 
 This site is hosted on GitLab Pages!
-Metods
+Methods
 The source code of this site is at <https://gitlab.com/pages/pelican>.
 
 Learn about GitLab Pages at <https://pages.gitlab.io>.
diff --git a/pelicanconf.py b/pelicanconf.py
index 32c556c176f745f04c1c0763151dd25b502b6263..f94a01ae1fc444864817d331b3666d6db002dd1f 100644
--- a/pelicanconf.py
+++ b/pelicanconf.py
@@ -45,8 +45,8 @@ PLUGINS = ['figure-ref', 'pelican-cite']
 
 # ORDENAR LAS PAGINAS EN EL MENU POR EL ATRUBUTO "Ordinal" -------
 # si no, te quedan ordenadas alfabéticamente
-PAGE_ORDER_BY = 'Ordinal'
-ARTICLE_ORDER_BY = 'Ordinal'
+PAGE_ORDER_BY = 'ordinal'
+ARTICLE_ORDER_BY = 'ordinal'
 
 # UBICACION DE bibtex que usa el plugin pelican-cite
 PUBLICATIONS_SRC = 'content/biblio.bib'