diff --git a/src/registrar/forms/common.py b/src/registrar/forms/common.py
index 71dbc24b2..377f59797 100644
--- a/src/registrar/forms/common.py
+++ b/src/registrar/forms/common.py
@@ -1,28 +1,37 @@
 # common.py
+# 
+# ALGORITHM_CHOICES are options for alg attribute in DS Data and Key Data
 # reference: https://www.iana.org/assignments/dns-sec-alg-numbers/dns-sec-alg-numbers.xhtml
 ALGORITHM_CHOICES = [
-    (1, "ERSA/MD5 [RSAMD5]"),
-    (2 , "Diffie-Hellman [DH]"),
-    (3 ,"DSA/SHA-1 [DSA]"),
-    (5 ,"RSA/SHA-1 [RSASHA1]"),
-    (6 ,"DSA-NSEC3-SHA1"),
-    (7 ,"RSASHA1-NSEC3-SHA1"),
-    (8 ,"RSA/SHA-256 [RSASHA256]"),
-    (10 ,"RSA/SHA-512 [RSASHA512]"),
-    (12 ,"GOST R 34.10-2001 [ECC-GOST]"),
-    (13 ,"ECDSA Curve P-256 with SHA-256 [ECDSAP256SHA256]"),
-    (14 ,"ECDSA Curve P-384 with SHA-384 [ECDSAP384SHA384]"),
-    (15 ,"Ed25519"),
-    (16 ,"Ed448"),
+    (1, "(1) ERSA/MD5 [RSAMD5]"),
+    (2, "(2) Diffie-Hellman [DH]"),
+    (3, "(3) DSA/SHA-1 [DSA]"),
+    (5, "(5) RSA/SHA-1 [RSASHA1]"),
+    (6, "(6) DSA-NSEC3-SHA1"),
+    (7, "(7) RSASHA1-NSEC3-SHA1"),
+    (8, "(8) RSA/SHA-256 [RSASHA256]"),
+    (10, "(10) RSA/SHA-512 [RSASHA512]"),
+    (12, "(12) GOST R 34.10-2001 [ECC-GOST]"),
+    (13, "(13) ECDSA Curve P-256 with SHA-256 [ECDSAP256SHA256]"),
+    (14, "(14) ECDSA Curve P-384 with SHA-384 [ECDSAP384SHA384]"),
+    (15, "(15) Ed25519"),
+    (16, "(16) Ed448"),
 ]
-# Q: What are the options?
+# DIGEST_TYPE_CHOICES are options for digestType attribute in DS Data
+# reference: https://datatracker.ietf.org/doc/html/rfc4034#appendix-A.2
 DIGEST_TYPE_CHOICES = [
-    (0, "Reserved"),
-    (1, "SHA-256"),
+    (0, "(0) Reserved"),
+    (1, "(1) SHA-256"),
 ]
-# Flag choices
+# PROTOCOL_CHOICES are options for protocol attribute in Key Data
+# reference: https://datatracker.ietf.org/doc/html/rfc4034#section-2.1.2
+PROTOCOL_CHOICES = [
+    (3, "(3) DNSSEC"),
+]
+# FLAG_CHOICES are options for flags attribute in Key Data
+# reference: https://datatracker.ietf.org/doc/html/rfc4034#section-2.1.1
 FLAG_CHOICES = [
-    (0, "0"),
-    (256, "256"),
-    (257, "257"),
+    (0, "(0)"),
+    (256, "(256) ZSK"),
+    (257, "(257) KSK"),
 ]
diff --git a/src/registrar/forms/domain.py b/src/registrar/forms/domain.py
index 5f22e4de0..eb71a00fe 100644
--- a/src/registrar/forms/domain.py
+++ b/src/registrar/forms/domain.py
@@ -7,7 +7,7 @@ from django.forms import formset_factory
 from phonenumber_field.widgets import RegionalPhoneNumberWidget
 
 from ..models import Contact, DomainInformation
-from .common import ALGORITHM_CHOICES, DIGEST_TYPE_CHOICES, FLAG_CHOICES
+from .common import ALGORITHM_CHOICES, DIGEST_TYPE_CHOICES, FLAG_CHOICES, PROTOCOL_CHOICES
 
 class DomainAddUserForm(forms.Form):
 
@@ -230,13 +230,18 @@ class DomainKeydataForm(forms.Form):
         choices=FLAG_CHOICES,
     )
 
-    protocol = forms.IntegerField(
-        max_value=3,
-        min_value=3,
-        initial=3,
+    protocol = forms.TypedChoiceField(
         required=True,
-        disabled=True,
+        label="Protocol",
+        choices=PROTOCOL_CHOICES,
     )
+    # protocol = forms.IntegerField(
+    #     max_value=3,
+    #     min_value=3,
+    #     initial=3,
+    #     required=True,
+    #     disabled=True,
+    # )
 
     algorithm = forms.TypedChoiceField(
         required=True,