diff --git a/docs/user/include_jinja_list.md b/docs/user/include_jinja_list.md
index b59066ec..219e04db 100644
--- a/docs/user/include_jinja_list.md
+++ b/docs/user/include_jinja_list.md
@@ -40,7 +40,7 @@
 | ipaddress_address | netutils.ip.ipaddress_address |
 | ipaddress_interface | netutils.ip.ipaddress_interface |
 | ipaddress_network | netutils.ip.ipaddress_network |
-| is_classfull | netutils.ip.is_classfull |
+| is_classful | netutils.ip.is_classful |
 | is_ip | netutils.ip.is_ip |
 | is_netmask | netutils.ip.is_netmask |
 | netmask_to_cidr | netutils.ip.netmask_to_cidr |
diff --git a/netutils/ip.py b/netutils/ip.py
index 3183e104..afbe91a2 100644
--- a/netutils/ip.py
+++ b/netutils/ip.py
@@ -158,8 +158,8 @@ def ip_subtract(ip: str, val: int) -> str:
     return str(ipaddress.ip_address(ip) - val)
 
 
-def is_classfull(ip_network: str) -> bool:  # noqa: D300,D301
-    """Determines if a CIDR network address is within unicast class full boundaries.
+def is_classful(ip_network: str) -> bool:  # noqa: D300,D301
+    """Determines if a CIDR network address is within unicast classful boundaries.
 
        The following class boundaries are checked:
 
@@ -171,11 +171,11 @@ def is_classfull(ip_network: str) -> bool:  # noqa: D300,D301
         ip_network: A network string that can be parsed by ipaddress.ip_network.
 
     Returns:
-        Whether or not the network falls within class full boundaries.
+        Whether or not the network falls within classful boundaries.
 
     Examples:
-        >>> from netutils.ip import is_classfull
-        >>> is_classfull("192.168.0.0/24")
+        >>> from netutils.ip import is_classful
+        >>> is_classful("192.168.0.0/24")
         True
 
         >>> from jinja2 import Environment
@@ -186,7 +186,7 @@ def is_classfull(ip_network: str) -> bool:  # noqa: D300,D301
         >>>
         >>> template_str = \"\"\"
         ... {%- for net in networks %}
-        ...   {% if net | is_classfull %}
+        ...   {% if net | is_classful %}
         ...   network {{ net | ipaddress_network('network_address') }}
         ...   {% else %}
         ...   network {{ net | ipaddress_network('network_address') }} mask {{ net | ipaddress_network('netmask') }}
@@ -200,7 +200,7 @@ def is_classfull(ip_network: str) -> bool:  # noqa: D300,D301
           network 172.16.1.0 mask 255.255.255.0
     """
     net = ipaddress.ip_network(ip_network)
-    # Only IPv4 addresses can be classified as class full
+    # Only IPv4 addresses can be classified as classful
     if net.version != 4:
         return False
     first_octet = net.network_address.packed[0]
diff --git a/netutils/utils.py b/netutils/utils.py
index e9b35bdb..ff52ac7a 100644
--- a/netutils/utils.py
+++ b/netutils/utils.py
@@ -32,7 +32,7 @@
     "ip_addition": "ip.ip_addition",
     "ip_to_bin": "ip.ip_to_bin",
     "ip_subtract": "ip.ip_subtract",
-    "is_classfull": "ip.is_classfull",
+    "is_classful": "ip.is_classful",
     "is_ip": "ip.is_ip",
     "is_netmask": "ip.is_netmask",
     "netmask_to_cidr": "ip.netmask_to_cidr",
diff --git a/tests/unit/test_ip.py b/tests/unit/test_ip.py
index efc89017..442fe22d 100644
--- a/tests/unit/test_ip.py
+++ b/tests/unit/test_ip.py
@@ -319,7 +319,7 @@
     {"sent": 0xFFFFFFFFFFFFFFFF, "received": 64},
 ]
 
-IS_CLASSFULL = [
+IS_CLASSFUL = [
     {"sent": {"ip_network": "0.0.0.0/8"}, "received": True},
     {"sent": {"ip_network": "127.0.0.0/8"}, "received": True},
     {"sent": {"ip_network": "128.0.0.0/8"}, "received": False},
@@ -447,6 +447,6 @@ def test_ipaddress_network(data):
     assert ip.ipaddress_network(**data["sent"]) == data["received"]
 
 
-@pytest.mark.parametrize("data", IS_CLASSFULL)
+@pytest.mark.parametrize("data", IS_CLASSFUL)
 def test_is_classful(data):
-    assert ip.is_classfull(**data["sent"]) == data["received"]
+    assert ip.is_classful(**data["sent"]) == data["received"]