diff --git a/src/java/com/google/wireless/qa/mobileharness/shared/api/spec/AndroidLogCatSpec.java b/src/java/com/google/wireless/qa/mobileharness/shared/api/spec/AndroidLogCatSpec.java
index f518673ff2..ae6d2a9f3b 100644
--- a/src/java/com/google/wireless/qa/mobileharness/shared/api/spec/AndroidLogCatSpec.java
+++ b/src/java/com/google/wireless/qa/mobileharness/shared/api/spec/AndroidLogCatSpec.java
@@ -60,7 +60,7 @@ public interface AndroidLogCatSpec {
       required = false,
       help =
           "The logcat options. e.g. '-b main -v time'. See "
-              + "<a href='http://developer.android.com/tools/help/logcat.html'>logcat help</a> "
+              + "<a href='https://developer.android.com/tools/help/logcat.html'>logcat help</a> "
               + "for more detail.")
   String PARAM_LOG_OPTIONS = "log_options";
 
diff --git a/src/java/com/google/wireless/qa/mobileharness/shared/proto/android_device_spec.proto b/src/java/com/google/wireless/qa/mobileharness/shared/proto/android_device_spec.proto
index 5dac47baab..d5f06a9214 100644
--- a/src/java/com/google/wireless/qa/mobileharness/shared/proto/android_device_spec.proto
+++ b/src/java/com/google/wireless/qa/mobileharness/shared/proto/android_device_spec.proto
@@ -21,7 +21,7 @@ package mobileharness.shared.android_device_spec;
 option java_package = "com.google.wireless.qa.mobileharness.shared.proto";
 
 // ABI supported by Android till Q4 2015.
-// Ref: http://developer.android.com/ndk/guides/abis.html
+// Ref: https://developer.android.com/ndk/guides/abis.html
 enum Abi {
   ARMEABI = 1;
   ARMEABI_V7A = 2;
@@ -42,7 +42,7 @@ enum DeviceType {
 }
 
 // Screen density for devices.
-// Ref: http://developer.android.com/guide/practices/screens_support.html
+// Ref: https://developer.android.com/guide/practices/screens_support.html
 enum ScreenDensity {
   LDPI = 1;
   MDPI = 2;