[ICD] Fix comment mistakes from post-merge reviews

src/app/icd/server/ICDManager.cpp

@@ -670,7 +670,7 @@ CHIP_ERROR ICDManager::HandleEventTrigger(uint64_t eventTrigger)
         break;
 #if CHIP_CONFIG_ENABLE_ICD_CIP
     case ICDTestEventTriggerEvent::kInvalidateHalfCounterValues:
-        err = ICDConfigurationData::GetInstance().GetICDCounter().InvalidateHalfCheckInCouterValues();
+        err = ICDConfigurationData::GetInstance().GetICDCounter().InvalidateHalfCheckInCounterValues();
         break;
     case ICDTestEventTriggerEvent::kInvalidateAllCounterValues:
         err = ICDConfigurationData::GetInstance().GetICDCounter().InvalidateAllCheckInCounterValues();

src/app/icd/server/ICDManager.h

@@ -74,7 +74,7 @@ class ICDManager : public ICDListener, public TestEventTriggerHandler
     };
 
     /**
-     * @brief This enum class represents to all ICDStateObserver callbacks available from the
+     * @brief This enum class represents all ICDStateObserver callbacks available from the
      *        mStateObserverPool for the ICDManager.
      *
      *        EnterActiveMode, TransitionToIdle and EnterIdleMode will always be called as a trio in the same order.
@@ -85,12 +85,12 @@ class ICDManager : public ICDListener, public TestEventTriggerHandler
      *         When this event is called, the ICD is still in ActiveMode.
      *        If the ActiveMode timer is increased due to the TransitionToIdle event, the event will not be called a second time in
      *        a given cycle.
-     *        OnEnterIdleMode will always the third when the ICD has transitioned to IdleMode.
+     *        OnEnterIdleMode will always the third event and indicates that the ICD has transitioned to IdleMode.
      *
      *        The ICDModeChange event can occur independently from the EnterActiveMode, TransitionToIdle and EnterIdleMode.
-     *        It will typpically hapen at the ICDManager init when a client is already registered with the ICD before the
-     *        OnEnterIdleMode event or when a client send a register command after the OnEnterActiveMode event. Nothing prevents the
-     *        ICDModeChange event to happen multiple times per cycle or while the ICD is in IdleMode.
+     *        It will typically happen at the ICDManager init when a client is already registered with the ICD before the
+     *        OnEnterIdleMode event or when a client sends a register command after the OnEnterActiveMode event. Nothing prevents
+     *        the ICDModeChange event from happening multiple times per cycle or while the ICD is in IdleMode.
      *
      *        See src/app/icd/server/ICDStateObserver.h for more information on the APIs each event triggers
      */

src/protocols/secure_channel/CheckInCounter.cpp

@@ -26,7 +26,7 @@ namespace chip {
 namespace Protocols {
 namespace SecureChannel {
 
-CHIP_ERROR CheckInCounter::InvalidateHalfCheckInCouterValues()
+CHIP_ERROR CheckInCounter::InvalidateHalfCheckInCounterValues()
 {
     // Increases the current counter value by half of its maximum range and updates underlying counter storage.
     // CheckInCounter is allowed to roll over.

src/protocols/secure_channel/CheckInCounter.h

@@ -53,7 +53,7 @@ class CheckInCounter : public PersistedCounter<uint32_t>
      *
      * @return CHIP_ERROR Any error returned by a write to persisted storage.
      */
-    CHIP_ERROR InvalidateHalfCheckInCouterValues();
+    CHIP_ERROR InvalidateHalfCheckInCounterValues();
 
     /**
      * @brief Invalidates all the Check-In counter values. After this function is called, the new Check-In counter value will be

src/protocols/secure_channel/tests/TestCheckInCounter.cpp

@@ -37,7 +37,7 @@ enum class CheckInCounterOperations : uint8_t
  * @brief Helper function that validates CheckInCounter value after an operation for configurable input values
  *
  * @param startValue Starting value of the Check-In counter
- * @param expectedValue Expected value after the InvalidateHalfCheckInCouterValues call
+ * @param expectedValue Expected value after the InvalidateHalfCheckInCounterValues call
  */
 void VerifyCheckInCounterValues(uint32_t startValue, uint32_t expectedValue, CheckInCounterOperations operation)
 {
@@ -60,7 +60,7 @@ void VerifyCheckInCounterValues(uint32_t startValue, uint32_t expectedValue, Che
     switch (operation)
     {
     case CheckInCounterOperations::kInvalidateHalf: {
-        EXPECT_EQ(counter.InvalidateHalfCheckInCouterValues(), CHIP_NO_ERROR);
+        EXPECT_EQ(counter.InvalidateHalfCheckInCounterValues(), CHIP_NO_ERROR);
         break;
     }
     case CheckInCounterOperations::kInvalidateAll: {