diff --git a/current.txt b/current.txt
index fff898e..627b5f6 100644
--- a/current.txt
+++ b/current.txt
@@ -643,7 +643,7 @@
 619fc9839ec6e369cfa9b28e3e9412e6885720ff8f9b5750c1b6ffb905120391 android.hardware.wifi.supplicant@1.3::ISupplicantStaIfaceCallback
 c9273429fcf98d797d3bb07fdba6f1be95bf960f9255cde169fd1ca4db85f856 android.hardware.wifi.supplicant@1.3::ISupplicantStaNetwork
 9b0a3ab6f4f74b971ed094426d8a443e29b512ff03e1ab50c07156396cdb2483 android.hardware.wifi.supplicant@1.3::types
-e7669bddacbdaee2cd9a87762a13fb7648639eead54bf4d767dc06eaaeb35736 android.hardware.radio@1.5::types
+6b8dcd5e3e33a524cc7ebb14671a76ad3a2d333467397ce82acc4024346386f8 android.hardware.radio@1.5::types
 b454df853441c12f6e425e8a60dd29fda20f5e6e39b93d1103e4b37495db38aa android.hardware.radio@1.5::IRadio
 fcbb0742a88215ee7a6d7ce0825d253eb2b50391fc6c8c48667f9fd7f6d4549e android.hardware.radio@1.5::IRadioIndication
 b809193970a91ca637a4b0184767315601d32e3ef3d5992ffbc7a8d14a14f015 android.hardware.radio@1.5::IRadioResponse
diff --git a/radio/1.5/types.hal b/radio/1.5/types.hal
index 45f3b90..248f56e 100644
--- a/radio/1.5/types.hal
+++ b/radio/1.5/types.hal
@@ -1023,16 +1023,37 @@
  * 3GPP2 C.S0068-0.
  */
 enum PersoSubstate : @1.0::PersoSubstate {
+    /**
+     * The device is personalized using the content of the Service Provider Name (SPN) in the SIM
+     * card.
+     */
     SIM_SPN,
     SIM_SPN_PUK,
-    /** Equivalent Home PLMN */
+    /**
+     * Service Provider and Equivalent Home PLMN
+     * The device is personalized using both the content of the GID1 (equivalent to service provider
+     * personalization) and the content of the Equivalent Home PLMN (EHPLMN) in the SIM card.
+     * If the GID1 in the SIM is absent, then just the content of the Equivalent Home PLMN
+     * is matched.
+     */
     SIM_SP_EHPLMN,
     SIM_SP_EHPLMN_PUK,
+    /**
+     * Device is personalized using the first digits of the ICCID of the SIM card.
+     */
     SIM_ICCID,
     SIM_ICCID_PUK,
+    /**
+     * Device is personalized using the content of the IMPI in the ISIM.
+     */
     SIM_IMPI,
     SIM_IMPI_PUK,
-    /** Network subset service provider */
+    /**
+     * Network Subset and Service Provider
+     * Device is personalized using both the content of GID1 (equivalent to service provider
+     * personalization) and the first digits of the IMSI (equivalent to network subset
+     * personalization).
+     */
     SIM_NS_SP,
     SIM_NS_SP_PUK,
 };