docs: update doc example

Author: jahvon

docs/guide/executable.md

@@ -365,9 +365,9 @@ executables:
       url: "http://pi.hole/admin/api.php?disable=$DURATION&auth=$PWHASH"
       logResponse: true # log the response body
       validStatusCodes: [200] # only consider the execution successful if the status code is 200
-      # transform the response body with jq
+      # transform the response body with a Expr expression
       transformResponse: |
-        if .status == "disabled" then .status = "pause" else . end
+        "paused: " + string(fromJSON(body)["status"] == "disabled")
 ```
 
 ##### render

tools/builder/request.go

@@ -60,7 +60,7 @@ func RequestExecWithBody(opts ...Option) *executable.Executable {
 func RequestExecWithTransform(opts ...Option) *executable.Executable {
 	name := "request-with-transform"
 	docstring := requestBaseDesc +
-		"The `transformResponse` field is optional and can be used to transform the response using a jq query."
+		"The `transformResponse` field is optional and can be used to transform the response using an Expr expression."
 	e := &executable.Executable{
 		Verb:        "run",
 		Name:        name,