diff --git a/backend/drm/util.c b/backend/drm/util.c
index 41ba47d1..73669205 100644
--- a/backend/drm/util.c
+++ b/backend/drm/util.c
@@ -266,7 +266,7 @@ static bool match_obj_(struct match_state *st, size_t skips, size_t score, size_
 			continue;
 		}
 
-		// Not compatable
+		// Not compatible
 		if (!(st->objs[st->res[i]] & (1 << i))) {
 			continue;
 		}
diff --git a/backend/libinput/backend.c b/backend/libinput/backend.c
index 4fcd2fe4..f4d54c97 100644
--- a/backend/libinput/backend.c
+++ b/backend/libinput/backend.c
@@ -92,7 +92,7 @@ static bool backend_start(struct wlr_backend *_backend) {
 		wlr_log(L_ERROR, "Failed to create input event on event loop");
 		return false;
 	}
-	wlr_log(L_DEBUG, "libinput sucessfully initialized");
+	wlr_log(L_DEBUG, "libinput successfully initialized");
 	return true;
 }
 
diff --git a/include/backend/drm/properties.h b/include/backend/drm/properties.h
index 1b3b2241..5b17e77e 100644
--- a/include/backend/drm/properties.h
+++ b/include/backend/drm/properties.h
@@ -24,7 +24,7 @@ union wlr_drm_connector_props {
 
 union wlr_drm_crtc_props {
 	struct {
-		// Neither of these are guranteed to exist
+		// Neither of these are guaranteed to exist
 		uint32_t rotation;
 		uint32_t scaling_mode;
 
@@ -41,7 +41,7 @@ union wlr_drm_crtc_props {
 union wlr_drm_plane_props {
 	struct {
 		uint32_t type;
-		uint32_t rotation; // Not guranteed to exist
+		uint32_t rotation; // Not guaranteed to exist
 
 		// atomic-modesetting only
 
diff --git a/include/wlr/backend/session.h b/include/wlr/backend/session.h
index 7ff9691f..4d04b363 100644
--- a/include/wlr/backend/session.h
+++ b/include/wlr/backend/session.h
@@ -43,7 +43,7 @@ struct wlr_session {
  * of the terminal (Xorg, another Wayland compositor, etc.).
  *
  * If logind support is not enabled, you must have CAP_SYS_ADMIN or be root.
- * It is safe to drop priviledges after this is called.
+ * It is safe to drop privileges after this is called.
  *
  * Returns NULL on error.
  */
diff --git a/include/wlr/types/wlr_cursor.h b/include/wlr/types/wlr_cursor.h
index 1a9e0d38..998c6f0d 100644
--- a/include/wlr/types/wlr_cursor.h
+++ b/include/wlr/types/wlr_cursor.h
@@ -117,7 +117,7 @@ void wlr_cursor_set_image(struct wlr_cursor *cur, const uint8_t *pixels,
 
 /**
  * Set the cursor surface. The surface can be committed to update the cursor
- * image. The surface position is substracted from the hotspot. A NULL surface
+ * image. The surface position is subtracted from the hotspot. A NULL surface
  * commit hides the cursor.
  */
 void wlr_cursor_set_surface(struct wlr_cursor *cur, struct wlr_surface *surface,
diff --git a/include/wlr/types/wlr_idle.h b/include/wlr/types/wlr_idle.h
index 1744f07c..45f350be 100644
--- a/include/wlr/types/wlr_idle.h
+++ b/include/wlr/types/wlr_idle.h
@@ -7,7 +7,7 @@
 /**
  * Idle protocol is used to create timers which will notify the client when the
  * compositor does not receive any input for a given time(in milliseconds). Also
- * the client will be notify when the timer receve an activity notify and already
+ * the client will be notified when the timer receives an activity notify and already
  * was in idle state. Besides this, the client is able to simulate user activity
  * which will reset the timers and at any time can destroy the timer.
  */
diff --git a/include/wlr/types/wlr_surface.h b/include/wlr/types/wlr_surface.h
index c6eb3c7d..d1127c86 100644
--- a/include/wlr/types/wlr_surface.h
+++ b/include/wlr/types/wlr_surface.h
@@ -171,7 +171,7 @@ struct wlr_surface *wlr_surface_from_resource(struct wl_resource *resource);
 
 /**
  * Call `iterator` on each surface in the surface tree, with the surface's
- * positon relative to the root surface. The function is called from root to
+ * position relative to the root surface. The function is called from root to
  * leaves (in rendering order).
  */
 void wlr_surface_for_each_surface(struct wlr_surface *surface,
diff --git a/include/wlr/types/wlr_wl_shell.h b/include/wlr/types/wlr_wl_shell.h
index 1b38b2e3..b60a0ddd 100644
--- a/include/wlr/types/wlr_wl_shell.h
+++ b/include/wlr/types/wlr_wl_shell.h
@@ -157,7 +157,7 @@ struct wlr_wl_surface *wlr_wl_shell_surface_from_wlr_surface(
 
 /**
  * Call `iterator` on each surface in the shell surface tree, with the surface's
- * positon relative to the root xdg-surface. The function is called from root to
+ * position relative to the root xdg-surface. The function is called from root to
  * leaves (in rendering order).
  */
 void wlr_wl_shell_surface_for_each_surface(struct wlr_wl_shell_surface *surface,
diff --git a/include/wlr/types/wlr_xdg_shell.h b/include/wlr/types/wlr_xdg_shell.h
index ead4613a..22008563 100644
--- a/include/wlr/types/wlr_xdg_shell.h
+++ b/include/wlr/types/wlr_xdg_shell.h
@@ -128,7 +128,7 @@ struct wlr_xdg_surface_configure {
  *
  * When a surface has a role and is ready to be displayed, the `map` event is
  * emitted. When a surface should no longer be displayed, the `unmap` event is
- * emitted. The `unmap` event is guaranted to be emitted before the `destroy`
+ * emitted. The `unmap` event is guaranteed to be emitted before the `destroy`
  * event if the view is destroyed when mapped.
  */
 struct wlr_xdg_surface {
@@ -314,7 +314,7 @@ struct wlr_xdg_surface *wlr_xdg_surface_from_wlr_surface(
 
 /**
  * Call `iterator` on each surface in the xdg-surface tree, with the surface's
- * positon relative to the root xdg-surface. The function is called from root to
+ * position relative to the root xdg-surface. The function is called from root to
  * leaves (in rendering order).
  */
 void wlr_xdg_surface_for_each_surface(struct wlr_xdg_surface *surface,
diff --git a/include/wlr/types/wlr_xdg_shell_v6.h b/include/wlr/types/wlr_xdg_shell_v6.h
index a315c4d9..3d35520b 100644
--- a/include/wlr/types/wlr_xdg_shell_v6.h
+++ b/include/wlr/types/wlr_xdg_shell_v6.h
@@ -97,7 +97,7 @@ struct wlr_xdg_toplevel_v6_state {
  *
  * When a surface has a role and is ready to be displayed, the `map` event is
  * emitted. When a surface should no longer be displayed, the `unmap` event is
- * emitted. The `unmap` event is guaranted to be emitted before the `destroy`
+ * emitted. The `unmap` event is guaranteed to be emitted before the `destroy`
  * event if the view is destroyed when mapped.
  */
 struct wlr_xdg_toplevel_v6 {
@@ -306,7 +306,7 @@ struct wlr_xdg_surface_v6 *wlr_xdg_surface_v6_from_wlr_surface(
 
 /**
  * Call `iterator` on each surface in the xdg-surface tree, with the surface's
- * positon relative to the root xdg-surface. The function is called from root to
+ * position relative to the root xdg-surface. The function is called from root to
  * leaves (in rendering order).
  */
 void wlr_xdg_surface_v6_for_each_surface(struct wlr_xdg_surface_v6 *surface,
diff --git a/include/wlr/xwayland.h b/include/wlr/xwayland.h
index 11aedc37..b2c23667 100644
--- a/include/wlr/xwayland.h
+++ b/include/wlr/xwayland.h
@@ -81,7 +81,7 @@ struct wlr_xwayland_surface_size_hints {
  *
  * When a surface is ready to be displayed, the `map` event is emitted. When a
  * surface should no longer be displayed, the `unmap` event is emitted. The
- * `unmap` event is guaranted to be emitted before the `destroy` event if the
+ * `unmap` event is guaranteed to be emitted before the `destroy` event if the
  * view is destroyed when mapped.
  */
 struct wlr_xwayland_surface {
diff --git a/types/wlr_matrix.c b/types/wlr_matrix.c
index 6eb47ca8..2c896313 100644
--- a/types/wlr_matrix.c
+++ b/types/wlr_matrix.c
@@ -117,7 +117,7 @@ void wlr_matrix_transform(float mat[static 9],
 	wlr_matrix_multiply(mat, mat, transforms[transform]);
 }
 
-// Equivilent to glOrtho(0, width, 0, height, 1, -1) with the transform applied
+// Equivalent to glOrtho(0, width, 0, height, 1, -1) with the transform applied
 void wlr_matrix_projection(float mat[static 9], int width, int height,
 		enum wl_output_transform transform) {
 	memset(mat, 0, sizeof(*mat) * 9);