diff --git a/README.md b/README.md
index c76937c..1be726e 100644
--- a/README.md
+++ b/README.md
@@ -1,4 +1,4 @@
-Notes de cours et TD machines
+Notes de cours et TD machine
 -----------------------------
 
 Dépôt git pour la construction d'un site statique avec
diff --git a/content/installations/TDM_1-OpenLDAP/index.md b/content/installations/TDM_1-OpenLDAP/index.md
index 2573746..c1d4245 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 machines"]
+categories: ["Installations", "TD machine"]
 tags: ['OpenLDAP', 'Apache Directory Studio', 'PAM']
 ---
 
diff --git a/content/reseau/1_introduction-reseau/index.md b/content/reseau/1_introduction-reseau/index.md
index ad83297..2827d63 100644
--- a/content/reseau/1_introduction-reseau/index.md
+++ b/content/reseau/1_introduction-reseau/index.md
@@ -1,7 +1,7 @@
 ---
 date: "2018-09-03"
 categories: ["Réseau", "Cours"]
-title: "Réseaux - Introduction"
+title: "Réseau - Introduction"
 tags: ["OSI", "latence", "débit"]
 ---
 
diff --git a/content/reseau/6_architecture-internet/index.md b/content/reseau/6_architecture-internet/index.md
index 9eb4800..c5695d0 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: ["Réseaux", "cours"]
+categories: ["Réseau", "cours"]
 tags: ["Internet", "routage", "interconnexion", "FAI"]
 ---