diff --git a/docs/_docs/guide/01-quickstart.md b/docs/_docs/guide/01-quickstart.md
index e1dbf1a35..63ebc5aa3 100644
--- a/docs/_docs/guide/01-quickstart.md
+++ b/docs/_docs/guide/01-quickstart.md
@@ -318,7 +318,7 @@ amf:
 +          mcc: 001 # set your PLMN-MCC
 +          mnc: 01  # set your PLMN-MNC
 +        tac: 2 # should match the TAC used by your gNB
-     plmn:
+     plmn_support:
        - plmn_id:
 -          mcc: 901
 -          mnc: 70
diff --git a/docs/_docs/guide/02-building-open5gs-from-sources.md b/docs/_docs/guide/02-building-open5gs-from-sources.md
index 4617ff9c8..cee38658e 100644
--- a/docs/_docs/guide/02-building-open5gs-from-sources.md
+++ b/docs/_docs/guide/02-building-open5gs-from-sources.md
@@ -122,7 +122,7 @@ $ diff -u /etc/open5gs/amf.yaml.old /etc/open5gs/amf.yaml
 +          mcc: 001
 +          mnc: 01
 +        tac: 2
-     plmn:
+     plmn_support:
        - plmn_id:
 -          mcc: 901
 -          mnc: 70
diff --git a/docs/_docs/guide/03-splitting-network-functions.md b/docs/_docs/guide/03-splitting-network-functions.md
index 050ef2253..7900f3be9 100644
--- a/docs/_docs/guide/03-splitting-network-functions.md
+++ b/docs/_docs/guide/03-splitting-network-functions.md
@@ -165,7 +165,7 @@ diff -u /etc/open5gs/amf.yaml.old /etc/open5gs/amf.yaml
 +          mcc: 901
 +          mnc: 70
 +        tac: 1
-     plmn:
+     plmn_support:
        - plmn_id:
 -          mcc: 001
 -          mnc: 01