fix typos

src/hidapi/ios/hid.m

@@ -403,7 +403,7 @@ typedef enum
 			NSLog( @"CoreBluetooth BLE hardware is powered on and ready" );
 
 			// at startup, if we have no already attached peripherals, do a 20s scan for new unpaired devices,
-			// otherwise callers should occaisionally do additional scans. we don't want to continuously be
+			// otherwise callers should occasionally do additional scans. we don't want to continuously be
 			// scanning because it drains battery, causes other nearby people to have a hard time pairing their
 			// Steam Controllers, and may also trigger firmware weirdness when a device attempts to start
 			// the pairing sequence multiple times concurrently
@@ -750,7 +750,7 @@ static void process_pending_events(void)
 
 - (void)peripheral:(CBPeripheral *)peripheral didUpdateNotificationStateForCharacteristic:(CBCharacteristic *)characteristic error:(NSError *)error
 {
-	NSLog( @"didUpdateNotifcationStateForCharacteristic %@ (%@)", characteristic, error );
+	NSLog( @"didUpdateNotificationStateForCharacteristic %@ (%@)", characteristic, error );
 }
 
 @end

src/hidapi/linux/hid.c

@@ -147,7 +147,7 @@ static void register_error_str(wchar_t **error_str, const char *msg)
 #endif
 }
 
-/* Semilar to register_error_str, but allows passing a format string with va_list args into this function. */
+/* Similar to register_error_str, but allows passing a format string with va_list args into this function. */
 static void register_error_str_vformat(wchar_t **error_str, const char *format, va_list args)
 {
 	char msg[256];

src/hidapi/mac/hid.c

@@ -1424,7 +1424,7 @@ void HID_API_EXPORT hid_close(hid_device *dev)
 
 	   UPD: The crash part was true in/until some version of macOS.
 	   Starting with macOS 10.15, there is an opposite effect in some environments:
-	   crash happenes if IOHIDDeviceClose() is not called.
+	   crash happens if IOHIDDeviceClose() is not called.
 	   Not leaking a resource in all tested environments.
 	*/
 	if (is_macos_10_10_or_greater || !dev->disconnected) {

src/hidapi/netbsd/hid.c

@@ -96,7 +96,7 @@ static void register_error_str(wchar_t **error_str, const char *msg)
 	*error_str = utf8_to_wchar_t(msg);
 }
 
-/* Semilar to register_error_str, but allows passing a format string with va_list args into this function. */
+/* Similar to register_error_str, but allows passing a format string with va_list args into this function. */
 static void register_error_str_vformat(wchar_t **error_str, const char *format, va_list args)
 {
 	char msg[256];