1 files changed, 9 insertions, 5 deletions
diff --git a/nixos/modules/services/monitoring/prometheus/exporters.md b/nixos/modules/services/monitoring/prometheus/exporters.md
index 34fadecadc74..b344534f6aee 100644
--- a/nixos/modules/services/monitoring/prometheus/exporters.md
+++ b/nixos/modules/services/monitoring/prometheus/exporters.md
@@ -9,7 +9,8 @@ One of the most common exporters is the
 [node exporter](https://github.com/prometheus/node_exporter),
 it provides hardware and OS metrics from the host it's
 running on. The exporter could be configured as follows:
-```
+```nix
+{
   services.prometheus.exporters.node = {
     enable = true;
     port = 9100;
@@ -23,6 +24,7 @@ running on. The exporter could be configured as follows:
     openFirewall = true;
     firewallFilter = "-i br0 -p tcp -m tcp --dport 9100";
   };
+}
 ```
 It should now serve all metrics from the collectors that are explicitly
 enabled and the ones that are
@@ -35,7 +37,8 @@ configuration see `man configuration.nix` or search through
 the [available options](https://nixos.org/nixos/options.html#prometheus.exporters).
 
 Prometheus can now be configured to consume the metrics produced by the exporter:
-```
+```nix
+{
     services.prometheus = {
       # ...
 
@@ -49,7 +52,8 @@ Prometheus can now be configured to consume the metrics produced by the exporter
       ];
 
       # ...
-    }
+    };
+}
 ```
 
 ## Adding a new exporter {#module-services-prometheus-exporters-new-exporter}
@@ -75,7 +79,7 @@ example:
     `nixos/modules/services/monitoring/prometheus/exporters/`
     directory, which will be called postfix.nix and contains all exporter
     specific options and configuration:
-    ```
+    ```nix
     # nixpkgs/nixos/modules/services/prometheus/exporters/postfix.nix
     { config, lib, pkgs, options }:
 
@@ -148,7 +152,7 @@ example:
 Should an exporter option change at some point, it is possible to add
 information about the change to the exporter definition similar to
 `nixpkgs/nixos/modules/rename.nix`:
-```
+```nix
 { config, lib, pkgs, options }:
 
 with lib;