Bugfix in integrations/setup/template (#16142)

integrations/templates/setup/sample-netdata-config.md

@@ -1,10 +1,10 @@
 The file format is a modified INI syntax. The general structure is:
 
-```toml
+```ini
 [section1]
-    option 1 = some value
-    option 2 = some other value
+    option1 = some value
+    option2 = some other value
 
 [section2]
-    option 3 = some third value
+    option3 = some third value
 ```