1 files changed, 10 insertions, 9 deletions
diff --git a/nixos/modules/services/logging/logstash.nix b/nixos/modules/services/logging/logstash.nix
index 7a2f5681612c..044d5330231e 100644
--- a/nixos/modules/services/logging/logstash.nix
+++ b/nixos/modules/services/logging/logstash.nix
@@ -53,15 +53,14 @@ in
       package = mkOption {
         type = types.package;
         default = pkgs.logstash;
-        defaultText = "pkgs.logstash";
-        example = literalExample "pkgs.logstash";
+        defaultText = literalExpression "pkgs.logstash";
         description = "Logstash package to use.";
       };
 
       plugins = mkOption {
         type = types.listOf types.path;
         default = [ ];
-        example = literalExample "[ pkgs.logstash-contrib ]";
+        example = literalExpression "[ pkgs.logstash-contrib ]";
         description = "The paths to find other logstash plugins in.";
       };
 
@@ -102,12 +101,14 @@ in
         type = types.lines;
         default = "generator { }";
         description = "Logstash input configuration.";
-        example = ''
-          # Read from journal
-          pipe {
-            command => "''${pkgs.systemd}/bin/journalctl -f -o json"
-            type => "syslog" codec => json {}
-          }
+        example = literalExpression ''
+          '''
+            # Read from journal
+            pipe {
+              command => "''${pkgs.systemd}/bin/journalctl -f -o json"
+              type => "syslog" codec => json {}
+            }
+          '''
         '';
       };