diff --git a/phosphor-regulators/docs/config_file/compare_presence.md b/phosphor-regulators/docs/config_file/compare_presence.md
index 67ed1ac..a440b41 100644
--- a/phosphor-regulators/docs/config_file/compare_presence.md
+++ b/phosphor-regulators/docs/config_file/compare_presence.md
@@ -11,7 +11,7 @@
 ## Properties
 | Name | Required | Type | Description |
 | :--- | :------: | :--- | :---------- |
-| fru | yes | string | Field-Replaceable Unit.  Specify the D-Bus inventory path of the FRU. |
+| fru | yes | string | Field-Replaceable Unit.  Specify the relative D-Bus inventory path of the FRU.  Full inventory paths begin with the root "/xyz/openbmc_project/inventory".  Specify the relative path below the root, such as "system/chassis/motherboard/cpu3". |
 | value | yes | boolean (true or false) | Expected presence value. |
 
 ## Return Value
@@ -23,7 +23,7 @@
 {
   "comments": [ "Check if CPU3 is present" ],
   "compare_presence": {
-    "fru": "/system/chassis/motherboard/cpu3",
+    "fru": "system/chassis/motherboard/cpu3",
     "value": true
   }
 }
diff --git a/phosphor-regulators/docs/config_file/compare_vpd.md b/phosphor-regulators/docs/config_file/compare_vpd.md
index 79fd662..e87ef87 100644
--- a/phosphor-regulators/docs/config_file/compare_vpd.md
+++ b/phosphor-regulators/docs/config_file/compare_vpd.md
@@ -12,7 +12,7 @@
 ## Properties
 | Name | Required | Type | Description |
 | :--- | :------: | :--- | :---------- |
-| fru | yes | string | Field-Replaceable Unit (FRU) that contains the VPD.  Specify the D-Bus inventory path of the FRU. |
+| fru | yes | string | Field-Replaceable Unit (FRU) that contains the VPD.  Specify the relative D-Bus inventory path of the FRU.  Full inventory paths begin with the root "/xyz/openbmc_project/inventory".  Specify the relative path below the root, such as "system/chassis/disk_backplane". |
 | keyword | yes | string | VPD keyword.  Specify one of the following: "CCIN", "Manufacturer", "Model", "PartNumber". |
 | value | yes | string | Expected value. |
 
@@ -25,7 +25,7 @@
 {
   "comments": [ "Check if disk backplane has CCIN value 2D35" ],
   "compare_vpd": {
-    "fru": "/system/chassis/disk_backplane",
+    "fru": "system/chassis/disk_backplane",
     "keyword": "CCIN",
     "value": "2D35"
   }
diff --git a/phosphor-regulators/docs/config_file/device.md b/phosphor-regulators/docs/config_file/device.md
index f01c37d..28180d0 100644
--- a/phosphor-regulators/docs/config_file/device.md
+++ b/phosphor-regulators/docs/config_file/device.md
@@ -14,7 +14,7 @@
 | comments | no | array of strings | One or more comment lines describing this device. |
 | id | yes | string | Unique ID for this device.  Can only contain letters (A-Z, a-z), numbers (0-9), and underscore (\_). |
 | is_regulator | yes | boolean (true or false) | Indicates whether this device is a voltage regulator (phase controller). |
-| fru | yes | string | Field-Replaceable Unit (FRU) for this device.  Specify the D-Bus inventory path of the FRU.  If the device itself is not a FRU, specify the FRU that contains it. |
+| fru | yes | string | Field-Replaceable Unit (FRU) for this device.  If the device itself is not a FRU, specify the FRU that contains it.  Specify the relative D-Bus inventory path of the FRU.  Full inventory paths begin with the root "/xyz/openbmc_project/inventory".  Specify the relative path below the root, such as "system/chassis/motherboard/regulator2". |
 | i2c_interface | yes | [i2c_interface](i2c_interface.md) | I2C interface to this device. |
 | presence_detection | no | [presence_detection](presence_detection.md) | Specifies how to detect whether this device is present.  If this property is not specified, the device is assumed to always be present. |
 | configuration | no | [configuration](configuration.md) | Specifies configuration changes that should be applied to this device.  These changes usually override hardware default settings.  The configuration changes are applied during the boot before regulators are enabled. |
@@ -26,7 +26,7 @@
   "comments": [ "IR35221 regulator producing the Vdd rail" ],
   "id": "vdd_regulator",
   "is_regulator": true,
-  "fru": "/system/chassis/motherboard/regulator2",
+  "fru": "system/chassis/motherboard/regulator2",
   "i2c_interface": {
     "bus": 1,
     "address": "0x70"
diff --git a/phosphor-regulators/docs/config_file/presence_detection.md b/phosphor-regulators/docs/config_file/presence_detection.md
index 293cb3c..138ff9c 100644
--- a/phosphor-regulators/docs/config_file/presence_detection.md
+++ b/phosphor-regulators/docs/config_file/presence_detection.md
@@ -53,7 +53,7 @@
   "actions": [
     {
       "compare_presence": {
-        "fru": "/system/chassis/motherboard/cpu3",
+        "fru": "system/chassis/motherboard/cpu3",
         "value": true
       }
     }
diff --git a/phosphor-regulators/examples/config_file.json b/phosphor-regulators/examples/config_file.json
index 701322d..f18237e 100644
--- a/phosphor-regulators/examples/config_file.json
+++ b/phosphor-regulators/examples/config_file.json
@@ -57,7 +57,7 @@
           "comments": [ "IR35221 regulator producing the Vdd rail" ],
           "id": "vdd_regulator",
           "is_regulator": true,
-          "fru": "/system/chassis/motherboard/regulator1",
+          "fru": "system/chassis/motherboard/regulator1",
           "i2c_interface": {
             "bus": 1,
             "address": "0x70"
@@ -81,7 +81,7 @@
           "comments": [ "IR35221 regulator producing the Vio rail" ],
           "id": "vio_regulator",
           "is_regulator": true,
-          "fru": "/system/chassis/motherboard/regulator2",
+          "fru": "system/chassis/motherboard/regulator2",
           "i2c_interface": {
             "bus": 1,
             "address": "0x71"