diff --git a/content/bdd/2-definitions/indev.md b/content/bdd/2-definitions/indev.md
index 6c65f41..82e428c 100644
--- a/content/bdd/2-definitions/indev.md
+++ b/content/bdd/2-definitions/indev.md
@@ -2,7 +2,7 @@
 title: "Base de données : définitions"
 date: 2018-09-17
 modify: 2018-09-24
-categories: ["Base de données", "cours"]
+categories: ["Base de données", "Cours"]
 ---
 
 ## Le domaine
diff --git a/content/installations/TDM_1-OpenLDAP/index.md b/content/installations/TDM_1-OpenLDAP/index.md
index c1d4245..9df4224 100644
--- a/content/installations/TDM_1-OpenLDAP/index.md
+++ b/content/installations/TDM_1-OpenLDAP/index.md
@@ -2,7 +2,7 @@
 title: TDM1 OpenLDAP - notes d'installation
 date: 2018-09-13
 lastmod: 2018-09-27
-categories: ["Installations", "TD machine"]
+categories: ["Installation", "TD machine"]
 tags: ['OpenLDAP', 'Apache Directory Studio', 'PAM']
 ---
 
diff --git a/content/installations/TDM_3-DHCP_DNS/index.md b/content/installations/TDM_3-DHCP_DNS/index.md
index 97e99fc..67f98af 100644
--- a/content/installations/TDM_3-DHCP_DNS/index.md
+++ b/content/installations/TDM_3-DHCP_DNS/index.md
@@ -1,7 +1,7 @@
 ---
 title: "Installation d'un serveur DHCP et DNS"
 date: 2018-11-15
-categories: ["Installations", "TD machine"]
+categories: ["Installation", "TD machine"]
 ---
 
 Avant toutes choses, j'ai modifié mon réseau virtuel pour ne plus avoir de DHCP.
diff --git a/content/progsys/4_les-signaux/index.md b/content/progsys/4_les-signaux/index.md
index ac50192..4d3dd53 100644
--- a/content/progsys/4_les-signaux/index.md
+++ b/content/progsys/4_les-signaux/index.md
@@ -1,6 +1,6 @@
 ---
 title: "Les signaux"
-categories: ["Programmation système", "cours"]
+categories: ["Programmation système", "Cours"]
 tags: ["C", "programmation", "signaux"]
 date: 2018-09-25
 ---
diff --git a/content/progsys/5_les-processus_legers/index.md b/content/progsys/5_les-processus_legers/index.md
index df47f31..d0c879a 100644
--- a/content/progsys/5_les-processus_legers/index.md
+++ b/content/progsys/5_les-processus_legers/index.md
@@ -1,6 +1,6 @@
 ---
 title: "Les processus légers"
-categories: ["Programmation système", "cours"]
+categories: ["Programmation système", "Cours"]
 tags: ["C", "programmation", "threads", "mutex"]
 date: 2018-10-02
 ---
diff --git a/content/progsys/7_attributs-fichiers/index.md b/content/progsys/7_attributs-fichiers/index.md
index ed6f57f..8af3ba6 100644
--- a/content/progsys/7_attributs-fichiers/index.md
+++ b/content/progsys/7_attributs-fichiers/index.md
@@ -1,7 +1,7 @@
 ---
 title: "Les attributs de fichiers"
 date: 2018-10-16
-categories: ["Programmation système", "cours"]
+categories: ["Programmation système", "Cours"]
 tags: ["fichier", "i-node"]
 ---
 
diff --git a/content/progsys/8_IPC/index.md b/content/progsys/8_IPC/index.md
index baf4c3e..60e68f2 100644
--- a/content/progsys/8_IPC/index.md
+++ b/content/progsys/8_IPC/index.md
@@ -1,7 +1,7 @@
 ---
 title: " Les communications inter processus"
 date: 2018-10-23
-categories: ["Programmation système", "cours"]
+categories: ["Programmation système", "Cours"]
 tags: ["C", "mutex", "sémaphore", "threads"]
 ---
 
diff --git a/content/reseau/5_distribution-ip/index.md b/content/reseau/5_distribution-ip/index.md
index 0e3cdef..961c774 100644
--- a/content/reseau/5_distribution-ip/index.md
+++ b/content/reseau/5_distribution-ip/index.md
@@ -1,7 +1,7 @@
 ---
 title : " Distribution d'adresses IP"
 date : 2018-10-08
-categories : ["Réseau", "cours"]
+categories : ["Réseau", "Cours"]
 tags : ["IP", "IPv4", "IPv6", "DHCP"]
 ----
 
diff --git a/content/reseau/6_architecture-internet/index.md b/content/reseau/6_architecture-internet/index.md
index c5695d0..a4a7dc4 100644
--- a/content/reseau/6_architecture-internet/index.md
+++ b/content/reseau/6_architecture-internet/index.md
@@ -1,7 +1,7 @@
 ---
 title: "Architecture d'Internet"
 date: 2018-10-10
-categories: ["Réseau", "cours"]
+categories: ["Réseau", "Cours"]
 tags: ["Internet", "routage", "interconnexion", "FAI"]
 ---