diff --git a/tv/tuner/1.0/IDemux.hal b/tv/tuner/1.0/IDemux.hal
index 7ead34b..7fd7e26 100644
--- a/tv/tuner/1.0/IDemux.hal
+++ b/tv/tuner/1.0/IDemux.hal
@@ -62,9 +62,9 @@
      *
      * It is used by the client to get the descriptor of the filter's Fast
      * Message Queue. The data in FMQ is filtered out from MPEG transport
-     * stream. The data is origanized to data blocks which may have
+     * stream. The data is organized to data blocks which may have
      * different length. The length's information of one or multiple data blocks
-     * is sent to client throught DemuxFilterEvent.
+     * is sent to client through DemuxFilterEvent.
      *
      * @param filterId the ID of the filter.
      * @return result Result status of the operation.
@@ -97,7 +97,7 @@
     /**
      * Start the filter.
      *
-     * It is used by the client to ask the filter to start filterring data.
+     * It is used by the client to ask the filter to start filtering data.
      *
      * @param filterId the ID of the filter.
      * @return result Result status of the operation.
@@ -218,7 +218,7 @@
      *
      * It is used by the client to get the descriptor of the output's Fast
      * Message Queue. The data in FMQ is muxed packets output from selected
-     * filters. The packet's format is specifed by DemuxDataFormat in
+     * filters. The packet's format is specified by DemuxDataFormat in
      * DemuxOutputSettings.
      *
      * @return result Result status of the operation.
diff --git a/tv/tuner/1.0/IFrontend.hal b/tv/tuner/1.0/IFrontend.hal
index d337ac1..83e390d 100644
--- a/tv/tuner/1.0/IFrontend.hal
+++ b/tv/tuner/1.0/IFrontend.hal
@@ -148,7 +148,7 @@
     setLnb(LnbId lnbId) generates (Result result);
 
     /**
-     * Enble or Disable Low Noise Amplifier (LNA).
+     * Enable or Disable Low Noise Amplifier (LNA).
      *
      * @param bEnable true if activate LNA module; false if deactivate LNA
      *
diff --git a/tv/tuner/1.0/ITuner.hal b/tv/tuner/1.0/ITuner.hal
index 0d63442..1cf0e38 100644
--- a/tv/tuner/1.0/ITuner.hal
+++ b/tv/tuner/1.0/ITuner.hal
@@ -23,7 +23,7 @@
 
 /**
  * Top level interface to manage Frontend, Demux and Decrambler hardware
- * resouces which are needed for Android TV.
+ * resources which are needed for Android TV.
  */
 interface ITuner {
     /**
diff --git a/tv/tuner/1.0/default/Demux.cpp b/tv/tuner/1.0/default/Demux.cpp
index 04382b0..d65df59 100644
--- a/tv/tuner/1.0/default/Demux.cpp
+++ b/tv/tuner/1.0/default/Demux.cpp
@@ -735,7 +735,7 @@
             ALOGD("[Demux] wait for data ready on the input FMQ");
             continue;
         }
-        // Our current implementation filter the data and write it into the filter FMQ immedaitely
+        // Our current implementation filter the data and write it into the filter FMQ immediately
         // after the DATA_READY from the VTS/framework
         if (!readInputFMQ() || !startFilterDispatcher()) {
             ALOGD("[Demux] input data failed to be filtered. Ending thread");
diff --git a/tv/tuner/1.0/types.hal b/tv/tuner/1.0/types.hal
index b6f11ee..890c1ed 100644
--- a/tv/tuner/1.0/types.hal
+++ b/tv/tuner/1.0/types.hal
@@ -58,7 +58,7 @@
     DVBS,
     /**
      * Digital Video Broadcasting - Terrestrial
-     * DVB Terresttrial Frontend Standard ETSI EN 300 468 V1.15.1 and
+     * DVB Terrestrial Frontend Standard ETSI EN 300 468 V1.15.1 and
      * ETSI EN 302 755 V1.4.1.
      */
     DVBT,
@@ -655,7 +655,7 @@
 };
 
 /**
- *  Modulaltion Type for ISDBS.
+ *  Modulation Type for ISDBS.
  */
 @export
 enum FrontendIsdbsModulation : uint32_t {
@@ -951,7 +951,7 @@
     GROUP_IDS,
     /** Stream Ids. */
     INPUT_STREAM_IDS,
-    /** Locked signal stardard.  */
+    /** Locked signal standard.  */
     STANDARD,
     /** PLP status in a tuned frequency band for ATSC3 frontend. */
     ATSC3_PLP_INFO,
@@ -969,7 +969,7 @@
  *  Scan Message for Frontend.
  */
 safe_union FrontendScanMessage {
-    bool islocked;
+    bool isLocked;
     bool isEnd;
     /** scan progress percent (0..100) */
     uint8_t progressPercent;