Update comments of RegState.REG_EM

Bug: 216387835
Test: build & flash
Change-Id: I73022af0d70904a8abce64d2fef4bfc589e891ab
diff --git a/radio/aidl/android/hardware/radio/network/RegState.aidl b/radio/aidl/android/hardware/radio/network/RegState.aidl
index 2827d19..bdba4c4 100644
--- a/radio/aidl/android/hardware/radio/network/RegState.aidl
+++ b/radio/aidl/android/hardware/radio/network/RegState.aidl
@@ -66,7 +66,7 @@
      */
     UNKNOWN_EM = 14,
     /**
-     * Emergency attached in LTE or emergency registered in 5GS.
+     * Emergency attached in EPS or in 5GS.
      * Reference: 3GPP TS 24.301 9.9.3.11 EPS attach type.
      * Reference: 3GPP TS 24.501 9.11.3.6 5GS registration result.
      */