diff --git a/pkg/emitter/emitter.go b/pkg/emitter/emitter.go
index 89723c4d..550638a6 100644
--- a/pkg/emitter/emitter.go
+++ b/pkg/emitter/emitter.go
@@ -73,11 +73,11 @@ func (e *Emitter) Initialize(conf configuration.GlobalConfiguration) {
 
 	keyTpl, err := tpl.NewTpl("key", e.KeyTemplate, functions.FunctionsMap(), &ctx.JrContext)
 	if err != nil {
-		log.Println(err)
+		log.Fatal(err)
 	}
 	valueTpl, err := tpl.NewTpl("value", e.EmbeddedTemplate, functions.FunctionsMap(), &ctx.JrContext)
 	if err != nil {
-		log.Println(err)
+		log.Fatal(err)
 	}
 
 	e.KTpl = keyTpl
diff --git a/pkg/functions/functionsDescription.go b/pkg/functions/functionsDescription.go
index 19324538..33da7a69 100644
--- a/pkg/functions/functionsDescription.go
+++ b/pkg/functions/functionsDescription.go
@@ -415,7 +415,7 @@ var funcDesc = map[string]FunctionDescription{
 	"from": {
 		Name:        "from",
 		Category:    "text utilities",
-		Description: "returns a random string from a list of strings in a file. Files are in '$HOME/.jr/templates/data/locale'",
+		Description: "returns a random string from a list of strings in a file. Files are in '$JR_HOME/templates/data/locale'",
 		Parameters:  "set string",
 		Localizable: true,
 		Return:      "string",
@@ -425,7 +425,7 @@ var funcDesc = map[string]FunctionDescription{
 	"from_at": {
 		Name:        "from_at",
 		Category:    "text utilities",
-		Description: "returns a string at a given position in a list of strings in a file. Files are in '$HOME/.jr/templates/data/locale'",
+		Description: "returns a string at a given position in a list of strings in a file. Files are in '$JR_HOME/templates/data/locale'",
 		Parameters:  "index int",
 		Localizable: true,
 		Return:      "string",
@@ -435,7 +435,7 @@ var funcDesc = map[string]FunctionDescription{
 	"from_n": {
 		Name:        "from_n",
 		Category:    "text utilities",
-		Description: "return a subset of elements in a list of string in a file. Files are in '$HOME/.jr/templates/data/locale'",
+		Description: "return a subset of elements in a list of string in a file. Files are in '$JR_HOME/templates/data/locale'",
 		Parameters:  "set string, number int",
 		Localizable: true,
 		Return:      "[]string",
@@ -445,7 +445,7 @@ var funcDesc = map[string]FunctionDescription{
 	"from_shuffle": {
 		Name:        "from_shuffle",
 		Category:    "text utilities",
-		Description: "returns a shuffled list of strings in a file. Files are in '$HOME/.jr/templates/data/locale'",
+		Description: "returns a shuffled list of strings in a file. Files are in '$JR_HOME/templates/data/locale'",
 		Parameters:  "set string",
 		Localizable: true,
 		Return:      "[]string",
@@ -639,7 +639,7 @@ var funcDesc = map[string]FunctionDescription{
 		Category:    "text utilities",
 		Parameters:  "set string",
 		Localizable: true,
-		Description: "returns the length a list of strings in a file. Files are in '$HOME/.jr/templates/data/locale'",
+		Description: "returns the length a list of strings in a file. Files are in '$JR_HOME/templates/data/locale'",
 		Return:      "string",
 		Example:     "jr template run --embedded '{{len \"city\"}}'",
 		Output:      "46",
@@ -851,7 +851,7 @@ var funcDesc = map[string]FunctionDescription{
 		Parameters:  "list []string",
 		Localizable: false,
 		Return:      "string",
-		Example:     "",
+		Example:     "jr template run --embedded '{{dates_between \"1970-12-07\" \"1990-12-07\" 10 | random}}'",
 		Output:      "hello",
 	},
 	"randoms": {
@@ -869,7 +869,7 @@ var funcDesc = map[string]FunctionDescription{
 		Category:    "text utilities",
 		Parameters:  "set string",
 		Localizable: true,
-		Description: "returns a random index from a list of strings in a file. Files are in '$HOME/.jr/templates/data/locale'",
+		Description: "returns a random index from a list of strings in a file. Files are in '$JR_HOME/templates/data/locale'",
 		Return:      "string",
 		Example:     "jr template run --embedded '{{random_index \"city\"}}'",
 		Output:      "12",
diff --git a/pkg/tpl/tpl.go b/pkg/tpl/tpl.go
index 6a23a124..b6ad992b 100644
--- a/pkg/tpl/tpl.go
+++ b/pkg/tpl/tpl.go
@@ -50,7 +50,7 @@ func (t *Tpl) ExecuteWith(data any) string {
 	var buffer bytes.Buffer
 	err := t.Template.Execute(&buffer, data)
 	if err != nil {
-		log.Println(err)
+		log.Fatal(err)
 	}
 	return buffer.String()
 }
diff --git a/testRest.http b/testRest.http
index fc886f4a..ae9bed13 100644
--- a/testRest.http
+++ b/testRest.http
@@ -10,7 +10,7 @@ Content-Type: application/json
       "preload": 0,
       "valueTemplate": "net_device",
       "output": "http",
-      "keyTemplate": "null",
+      "keyTemplate": "{{uuid}}",
       "outputTemplate": "{{.V}}\n"
 }