diff --git a/README.md b/README.md
index 96b9d8f..05cde5c 100644
--- a/README.md
+++ b/README.md
@@ -255,6 +255,16 @@ Here is an example of a configuration file using JSON format:
 - **debug**: Enables debug mode with additional output if set to `true`.
 - **exclude**: Specifies files or directories to exclude from linting.
 
+To enable editor autocompletion in a JSON configuration file, add a `$schema` property.
+If you have installed `dclint`:
+```
+"$schema": "./node_modules/dclint/schemas/linter-config.schema.json",
+```
+Otherwise:
+```
+"$schema": "https://raw.githubusercontent.com/zavoloklom/docker-compose-linter/refs/heads/main/schemas/linter-config.schema.json",
+```
+
 ### Configure Rules
 
 In addition to enabling or disabling rules, some rules may support custom parameters to tailor them to your specific
diff --git a/schemas/linter-config.schema.json b/schemas/linter-config.schema.json
index 2016b36..1b316c1 100644
--- a/schemas/linter-config.schema.json
+++ b/schemas/linter-config.schema.json
@@ -2,6 +2,9 @@
   "$schema": "http://json-schema.org/draft-07/schema#",
   "type": "object",
   "properties": {
+    "$schema": {
+      "type": "string"
+    },
     "rules": {
       "type": "object",
       "propertyNames": {