Update 27-10-2019

docs/macos/node/nvm.md

@@ -61,7 +61,7 @@ export NVM_DIR="${XDG_CONFIG_HOME/:-$HOME/.}nvm"
 
 
 
-### Utilisation
+### Utilisation:
 
 Installer NodeJS.
 
@@ -155,3 +155,21 @@ Now using node v10.15.0 (npm v6.4.1)
 $ nvm reinstall-packages 8
 ```
 
+
+
+### Erreur:
+
+```bash
+# A l'ouverture d'une fenêtre bash
+
+N/A: version "N/A -> N/A" is not yet installed.
+
+You need to run "nvm install N/A" to install it before using it.
+```
+
+Entrer:
+
+```bash
+$ nvm alias default 12
+```
+