diff --git a/HowtoNodeJS.md b/HowtoNodeJS.md
index 41f21b7a..62d940e3 100644
--- a/HowtoNodeJS.md
+++ b/HowtoNodeJS.md
@@ -145,6 +145,7 @@ La version "Runtime" est peut être installée simplement avec npm, ou via un pa
 # echo "deb https://packagecloud.io/Keymetrics/pm2/debian/ stretch main" > /etc/apt/sources.list.d/pm2.list 
 # wget https://packagecloud.io/Keymetrics/pm2/gpgkey -O /etc/apt/trusted.gpg.d/pm2.asc
 # dos2unix /etc/apt/trusted.gpg.d/pm2.asc
+# chmod a+r /etc/apt/trusted.gpg.d/pm2.asc
 # apt update && apt install pm2
 ~~~