diff --git a/config/config_defaults.go b/config/config_defaults.go
index c62d639fc..71b0ce8fd 100755
--- a/config/config_defaults.go
+++ b/config/config_defaults.go
@@ -501,7 +501,7 @@ const CGRATES_CFG_JSON = `
 	"indexed_selects":true,					// enable profile matching exclusively on indexes
 	//"string_indexed_fields": [],			// query indexes based on these fields for faster processing
 	"prefix_indexed_fields": [],			// query indexes based on these fields for faster processing
-	"nested_fields": false,					// applies when indexed fields is not defined
+	"nested_fields": false,					// determines which field is checked when matching indexed filters(true: all; false: only the one on the first level)
 	"process_runs": 1,						// number of run loops when processing event
 },
 
@@ -512,7 +512,7 @@ const CGRATES_CFG_JSON = `
 	"indexed_selects":true,					// enable profile matching exclusively on indexes
 	//"string_indexed_fields": [],			// query indexes based on these fields for faster processing
 	"prefix_indexed_fields": [],			// query indexes based on these fields for faster processing
-	"nested_fields": false,					// applies when indexed fields is not defined
+	"nested_fields": false,					// determines which field is checked when matching indexed filters(true: all; false: only the one on the first level)
 },
 
 
@@ -523,7 +523,7 @@ const CGRATES_CFG_JSON = `
 	"indexed_selects":true,					// enable profile matching exclusively on indexes
 	//"string_indexed_fields": [],			// query indexes based on these fields for faster processing
 	"prefix_indexed_fields": [],			// query indexes based on these fields for faster processing
-	"nested_fields": false,					// applies when indexed fields is not defined
+	"nested_fields": false,					// determines which field is checked when matching indexed filters(true: all; false: only the one on the first level)
 },
 
 
@@ -535,7 +535,7 @@ const CGRATES_CFG_JSON = `
 	"indexed_selects":true,					// enable profile matching exclusively on indexes
 	//"string_indexed_fields": [],			// query indexes based on these fields for faster processing
 	"prefix_indexed_fields": [],			// query indexes based on these fields for faster processing
-	"nested_fields": false,					// applies when indexed fields is not defined
+	"nested_fields": false,					// determines which field is checked when matching indexed filters(true: all; false: only the one on the first level)
 },
 
 
@@ -545,7 +545,7 @@ const CGRATES_CFG_JSON = `
 	"indexed_selects":true,					// enable profile matching exclusively on indexes
 	//"string_indexed_fields": [],			// query indexes based on these fields for faster processing
 	"prefix_indexed_fields": [],			// query indexes based on these fields for faster processing
-	"nested_fields": false,					// applies when indexed fields is not defined
+	"nested_fields": false,					// determines which field is checked when matching indexed filters(true: all; false: only the one on the first level)
 },
 
 
@@ -554,7 +554,7 @@ const CGRATES_CFG_JSON = `
 	"indexed_selects":true,					// enable profile matching exclusively on indexes
 	//"string_indexed_fields": [],			// query indexes based on these fields for faster processing
 	"prefix_indexed_fields": [],			// query indexes based on these fields for faster processing
-	"nested_fields": false,					// applies when indexed fields is not defined
+	"nested_fields": false,					// determines which field is checked when matching indexed filters(true: all; false: only the one on the first level)
 	"attributes_conns": [],					// connections to AttributeS for altering events before supplier queries: <""|*internal|127.0.0.1:2013>
 	"resources_conns": [],					// connections to ResourceS for *res sorting, empty to disable functionality: <""|*internal|x.y.z.y:1234>
 	"stats_conns": [],						// connections to StatS for *stats sorting, empty to disable stats functionality: <""|*internal|x.y.z.y:1234>
@@ -799,7 +799,7 @@ const CGRATES_CFG_JSON = `
 	"indexed_selects":true,					// enable profile matching exclusively on indexes
 	//"string_indexed_fields": [],			// query indexes based on these fields for faster processing
 	"prefix_indexed_fields": [],			// query indexes based on these fields for faster processing
-	"nested_fields": false,					// applies when indexed fields is not defined
+	"nested_fields": false,					// determines which field is checked when matching indexed filters(true: all; false: only the one on the first level)
 	"attributes_conns": [],					// connections to AttributeS for API authorization, empty to disable auth functionality: <""|*internal|x.y.z.y:1234>
 },
 
diff --git a/data/conf/cgrates/cgrates.json b/data/conf/cgrates/cgrates.json
index b723205a1..f25ed0315 100755
--- a/data/conf/cgrates/cgrates.json
+++ b/data/conf/cgrates/cgrates.json
@@ -480,7 +480,7 @@
 // 	"indexed_selects":true,					// enable profile matching exclusively on indexes
 // 	//"string_indexed_fields": [],			// query indexes based on these fields for faster processing
 // 	"prefix_indexed_fields": [],			// query indexes based on these fields for faster processing
-// 	"nested_fields": false,					// applies when indexed fields is not defined
+// 	"nested_fields": false,					// determines which field is checked when matching indexed filters(true: all; false: only the one on the first level)
 // 	"process_runs": 1,						// number of run loops when processing event
 // },
 
@@ -491,7 +491,7 @@
 // 	"indexed_selects":true,					// enable profile matching exclusively on indexes
 // 	//"string_indexed_fields": [],			// query indexes based on these fields for faster processing
 // 	"prefix_indexed_fields": [],			// query indexes based on these fields for faster processing
-// 	"nested_fields": false,					// applies when indexed fields is not defined
+// 	"nested_fields": false,					// determines which field is checked when matching indexed filters(true: all; false: only the one on the first level)
 // },
 
 
@@ -502,7 +502,7 @@
 // 	"indexed_selects":true,					// enable profile matching exclusively on indexes
 // 	//"string_indexed_fields": [],			// query indexes based on these fields for faster processing
 // 	"prefix_indexed_fields": [],			// query indexes based on these fields for faster processing
-// 	"nested_fields": false,					// applies when indexed fields is not defined
+// 	"nested_fields": false,					// determines which field is checked when matching indexed filters(true: all; false: only the one on the first level)
 // },
 
 
@@ -514,7 +514,7 @@
 // 	"indexed_selects":true,					// enable profile matching exclusively on indexes
 // 	//"string_indexed_fields": [],			// query indexes based on these fields for faster processing
 // 	"prefix_indexed_fields": [],			// query indexes based on these fields for faster processing
-// 	"nested_fields": false,					// applies when indexed fields is not defined
+// 	"nested_fields": false,					// determines which field is checked when matching indexed filters(true: all; false: only the one on the first level)
 // },
 
 
@@ -524,7 +524,7 @@
 // 	"indexed_selects":true,					// enable profile matching exclusively on indexes
 // 	//"string_indexed_fields": [],			// query indexes based on these fields for faster processing
 // 	"prefix_indexed_fields": [],			// query indexes based on these fields for faster processing
-// 	"nested_fields": false,					// applies when indexed fields is not defined
+// 	"nested_fields": false,					// determines which field is checked when matching indexed filters(true: all; false: only the one on the first level)
 // },
 
 
@@ -533,7 +533,7 @@
 // 	"indexed_selects":true,					// enable profile matching exclusively on indexes
 // 	//"string_indexed_fields": [],			// query indexes based on these fields for faster processing
 // 	"prefix_indexed_fields": [],			// query indexes based on these fields for faster processing
-// 	"nested_fields": false,					// applies when indexed fields is not defined
+// 	"nested_fields": false,					// determines which field is checked when matching indexed filters(true: all; false: only the one on the first level)
 // 	"attributes_conns": [],					// connections to AttributeS for altering events before supplier queries: <""|*internal|127.0.0.1:2013>
 // 	"resources_conns": [],					// connections to ResourceS for *res sorting, empty to disable functionality: <""|*internal|x.y.z.y:1234>
 // 	"stats_conns": [],						// connections to StatS for *stats sorting, empty to disable stats functionality: <""|*internal|x.y.z.y:1234>
@@ -777,7 +777,7 @@
 // 	"indexed_selects":true,					// enable profile matching exclusively on indexes
 // 	//"string_indexed_fields": [],			// query indexes based on these fields for faster processing
 // 	"prefix_indexed_fields": [],			// query indexes based on these fields for faster processing
-// 	"nested_fields": false,					// applies when indexed fields is not defined
+// 	"nested_fields": false,					// determines which field is checked when matching indexed filters(true: all; false: only the one on the first level)
 // 	"attributes_conns": [],					// connections to AttributeS for API authorization, empty to disable auth functionality: <""|*internal|x.y.z.y:1234>
 // },