diff --git a/api/current.txt b/api/current.txt
index 16e8a5154e7da..10fdea4da895b 100644
--- a/api/current.txt
+++ b/api/current.txt
@@ -24558,7 +24558,7 @@ package android.media {
     field public static final int DIRECTIONALITY_HYPER_CARDIOID = 4; // 0x4
     field public static final int DIRECTIONALITY_OMNI = 1; // 0x1
     field public static final int DIRECTIONALITY_SUPER_CARDIOID = 5; // 0x5
-    field public static final int DIRECTIONALITY_UNKNOW = 0; // 0x0
+    field public static final int DIRECTIONALITY_UNKNOWN = 0; // 0x0
     field public static final int LOCATION_MAINBODY = 1; // 0x1
     field public static final int LOCATION_MAINBODY_MOVABLE = 2; // 0x2
     field public static final int LOCATION_PERIPHERAL = 3; // 0x3
diff --git a/media/java/android/media/MicrophoneInfo.java b/media/java/android/media/MicrophoneInfo.java
index 21f9171664982..131e37bd6646b 100644
--- a/media/java/android/media/MicrophoneInfo.java
+++ b/media/java/android/media/MicrophoneInfo.java
@@ -55,7 +55,7 @@ public final class MicrophoneInfo {
     /**
      * Unknown microphone directionality.
      */
-    public static final int DIRECTIONALITY_UNKNOW = 0;
+    public static final int DIRECTIONALITY_UNKNOWN = 0;
 
     /**
      * Microphone directionality type: omni.
@@ -104,7 +104,7 @@ public final class MicrophoneInfo {
 
     /** @hide */
     @IntDef(flag = true, prefix = { "DIRECTIONALITY_" }, value = {
-            DIRECTIONALITY_UNKNOW,
+            DIRECTIONALITY_UNKNOWN,
             DIRECTIONALITY_OMNI,
             DIRECTIONALITY_BI_DIRECTIONAL,
             DIRECTIONALITY_CARDIOID,
@@ -309,7 +309,7 @@ public final class MicrophoneInfo {
 
     /**
      * Returns the directionality of microphone. The return value is one of
-     * {@link #DIRECTIONALITY_UNKNOW}, {@link #DIRECTIONALITY_OMNI},
+     * {@link #DIRECTIONALITY_UNKNOWN}, {@link #DIRECTIONALITY_OMNI},
      * {@link #DIRECTIONALITY_BI_DIRECTIONAL}, {@link #DIRECTIONALITY_CARDIOID},
      * {@link #DIRECTIONALITY_HYPER_CARDIOID}, or {@link #DIRECTIONALITY_SUPER_CARDIOID}.
      *