diff --git a/INSTALL.md b/INSTALL.md
index be23ba6..f2c94f5 100644
--- a/INSTALL.md
+++ b/INSTALL.md
@@ -689,7 +689,7 @@ Note that Makefile format requires a `<tab>` char (not spaces) at the start of '
 validate:
         promtool check config prometheus.yml
 
-restart:
+restart: validate
         systemctl restart prometheus
 ```
 
@@ -911,7 +911,7 @@ Note that Makefile format requires a `<tab>` char (not spaces) at the start of '
 validate:
         amtool check-config alertmanager.yml
 
-restart:
+restart: validate
         systemctl restart alertmanager
 ```
 
diff --git a/scripts/install_prom_graf.sh b/scripts/install_prom_graf.sh
index 27d3131..2e350a7 100755
--- a/scripts/install_prom_graf.sh
+++ b/scripts/install_prom_graf.sh
@@ -208,7 +208,7 @@ EOF
 validate:
 \\tamtool check-config alertmanager.yml
 
-restart:
+restart: validate
 \\tsystemctl restart alertmanager
 " >  /etc/alertmanager/Makefile
 
@@ -423,7 +423,7 @@ EOF
 validate:
 \\tpromtool check config prometheus.yml
 
-restart:
+restart: validate
 \\tsystemctl restart prometheus
 " >  /etc/prometheus/Makefile