diff --git a/cartography/models/aws/ec2/network_acl_rules.py b/cartography/models/aws/ec2/network_acl_rules.py
index b08a5dec1..976edffc1 100644
--- a/cartography/models/aws/ec2/network_acl_rules.py
+++ b/cartography/models/aws/ec2/network_acl_rules.py
@@ -21,7 +21,7 @@ class EC2NetworkAclRuleNodeProperties(CartographyNodeProperties):
     fromport: PropertyRef = PropertyRef('FromPort')
     toport: PropertyRef = PropertyRef('ToPort')
     cidrblock: PropertyRef = PropertyRef('CidrBlock')
-    Ipv6CidrBlock: PropertyRef = PropertyRef('Ipv6CidrBlock')
+    ipv6cidrblock: PropertyRef = PropertyRef('Ipv6CidrBlock')
     egress: PropertyRef = PropertyRef('Egress')
     rulenumber: PropertyRef = PropertyRef('RuleNumber')
     ruleaction: PropertyRef = PropertyRef('RuleAction')
diff --git a/docs/root/modules/aws/schema.md b/docs/root/modules/aws/schema.md
index a4bbf817c..c61788c25 100644
--- a/docs/root/modules/aws/schema.md
+++ b/docs/root/modules/aws/schema.md
@@ -1332,7 +1332,7 @@ For additional explanation see https://docs.aws.amazon.com/vpc/latest/userguide/
 | fromport       | First port in the range that this rule applies to                                                                            |
 | toport         | Last port in the range that this rule applies to                                                                             |
 | cidrblock      | The IPv4 network range to allow or deny, in CIDR notation.                                                                   |
-| Ipv6CidrBlock  | The IPv6 network range to allow or deny, in CIDR notation. You must specify an IPv4 CIDR block or an IPv6 CIDR block.        |
+| ipv6cidrblock  | The IPv6 network range to allow or deny, in CIDR notation. You must specify an IPv4 CIDR block or an IPv6 CIDR block.        |
 | egress         | Indicates whether the rule is an egress rule (applied to traffic leaving the subnet).                                        |
 | rulenumber     | The rule number for the entry. ACL entries are processed in ascending order by rule number.                                  |
 | ruleaction     | Indicates whether to `allow` or `den` the traffic that matches the rule.                                                     |