diff --git a/exynos/exynos_drm.c b/exynos/exynos_drm.c
index e689781d..b961e520 100644
--- a/exynos/exynos_drm.c
+++ b/exynos/exynos_drm.c
@@ -347,7 +347,7 @@ exynos_prime_fd_to_handle(struct exynos_device *dev, int fd, uint32_t *handle)
  *
  * @dev: a exynos device object.
  * @connect: indicate whether connectoin or disconnection request.
- * @ext: indicate whether edid data includes extentions data or not.
+ * @ext: indicate whether edid data includes extensions data or not.
  * @edid: a pointer to edid data from Wireless Display device.
  *
  * this interface is used to request Virtual Display driver connection or