diff --git a/current.txt b/current.txt
index a5ab307..de2511e 100644
--- a/current.txt
+++ b/current.txt
@@ -255,4 +255,5 @@
 fb92e2b40f8e9d494e8fd3b4ac18499a3216342e7cff160714c3bbf3660b6e79 android.hardware.gnss@1.0::IGnssConfiguration
 251594ea9b27447bfa005ebd806e58fb0ae4aad84a69938129c9800ec0c64eda android.hardware.gnss@1.0::IGnssMeasurementCallback
 4e7169919d24fbe5573e5bcd683d0bd7abf553a4e6c34c41f9dfc1e12050db07 android.hardware.gnss@1.0::IGnssNavigationMessageCallback
+0e6e80ddd5c312726e20b003af438325a2d7c305a60a8c8d8e229df2306d50df android.hardware.radio@1.0::types
 b280c4704dfcc548a9bf127b59b7c3578f460c50cce70a06b66fe0df8b27cff0 android.hardware.wifi@1.0::types
diff --git a/radio/1.0/types.hal b/radio/1.0/types.hal
index 4d22bc0..6787a82 100644
--- a/radio/1.0/types.hal
+++ b/radio/1.0/types.hal
@@ -1292,10 +1292,9 @@
                                           // from cell to device.
                                           // Approximate distance is calculated using
                                           // 300m/us * timingAdvance.
-                                          // Range: 0 to 0x7FFFFFFE
-                                          // INT_MAX : 0x7FFFFFFF denotes invalid value.
-                                          // Reference: 3GPP 36.321 section 6.1.3.5
-                                          // also: http://www.cellular-planningoptimization.com/2010/02/timing-advance-with-calculation.html
+                                          // Range: 0 to 1282 inclusive.
+                                          // INT_MAX : 0x7FFFFFFF denotes unknown value.
+                                          // Reference: 3GPP 36.213 section 4.2.3
 };
 
 struct TdScdmaSignalStrength {