diff --git a/include/drm/drmP.h b/include/drm/drmP.h
index 1f9e951..e8acca89 100644
--- a/include/drm/drmP.h
+++ b/include/drm/drmP.h
@@ -820,7 +820,7 @@
 	 * Specifically, the timestamp in @vblank_time should correspond as
 	 * closely as possible to the time when the first video scanline of
 	 * the video frame after the end of VBLANK will start scanning out,
-	 * the time immmediately after end of the VBLANK interval. If the
+	 * the time immediately after end of the VBLANK interval. If the
 	 * @crtc is currently inside VBLANK, this will be a time in the future.
 	 * If the @crtc is currently scanning out a frame, this will be the
 	 * past start time of the current scanout. This is meant to adhere
diff --git a/include/linux/wanrouter.h b/include/linux/wanrouter.h
index e0aa396..3157cc1 100644
--- a/include/linux/wanrouter.h
+++ b/include/linux/wanrouter.h
@@ -309,7 +309,7 @@
 #define WANOPT_EVEN	2
 
 /* CHDLC Protocol Options */
-/* DF Commmented out for now.
+/* DF Commented out for now.
 
 #define WANOPT_CHDLC_NO_DCD		IGNORE_DCD_FOR_LINK_STAT
 #define WANOPT_CHDLC_NO_CTS		IGNORE_CTS_FOR_LINK_STAT
diff --git a/include/net/mac80211.h b/include/net/mac80211.h
index 72eddd1..bd3487d 100644
--- a/include/net/mac80211.h
+++ b/include/net/mac80211.h
@@ -1423,7 +1423,7 @@
  * DOC: Beacon filter support
  *
  * Some hardware have beacon filter support to reduce host cpu wakeups
- * which will reduce system power consumption. It usuallly works so that
+ * which will reduce system power consumption. It usually works so that
  * the firmware creates a checksum of the beacon but omits all constantly
  * changing elements (TSF, TIM etc). Whenever the checksum changes the
  * beacon is forwarded to the host, otherwise it will be just dropped. That