fix: improve jq usage docs

docs/jq.md

diff --git a/docs/jq.md b/docs/jq.md
index 4b3d0ad..1562887 100755
--- a/docs/jq.md
+++ b/docs/jq.md
@@ -14,9 +14,18 @@
 
 For jq documentation, see https://stedolan.github.io/jq/.
 
+To use this rule you must register the jq toolchain in your WORKSPACE:
+
+```starlark
+load("@aspect_bazel_lib//lib:repositories.bzl", "register_jq_toolchains")
+register_jq_toolchains(version = "1.6")
+```
+
 Usage examples:
 
 ```starlark
+load("@aspect_bazel_lib//lib:jq.bzl", "jq")
+
 # Remove fields from package.json
 jq(
     name = "no_dev_deps",

lib/jq.bzl

diff --git a/lib/jq.bzl b/lib/jq.bzl
index 0a4de5a..326ea28 100644
--- a/lib/jq.bzl
+++ b/lib/jq.bzl
@@ -13,9 +13,18 @@
 
     For jq documentation, see https://stedolan.github.io/jq/.
 
+    To use this rule you must register the jq toolchain in your WORKSPACE:
+
+    ```starlark
+    load("@aspect_bazel_lib//lib:repositories.bzl", "register_jq_toolchains")
+    register_jq_toolchains(version = "1.6")
+    ```
+
     Usage examples:
 
     ```starlark
+    load("@aspect_bazel_lib//lib:jq.bzl", "jq")
+
     # Remove fields from package.json
     jq(
         name = "no_dev_deps",