diff --git a/README.md b/README.md
index f92b2c9..15c8f96 100644
--- a/README.md
+++ b/README.md
@@ -64,7 +64,8 @@ I realized that floating point errors may occur is some operaitons especially de
 - euler angles / yaw-pitch-roll to matrix
 - extract euler angles
 - inline or pre-compiled function call
-- extract view frustum planes
+- frustum (extract view frustum planes, corners...)
+- bounding box  (AABB in Frustum (culling), crop, merge...)
 
 <hr />
 
diff --git a/include/cglm/box.h b/include/cglm/box.h
index 5f36bc2..d7184c5 100644
--- a/include/cglm/box.h
+++ b/include/cglm/box.h
@@ -136,7 +136,7 @@ glm_aabb_crop_until(vec3 box[2],
  */
 CGLM_INLINE
 bool
-glm_aabb_frustum(vec3 *box, vec4 planes[6]) {
+glm_aabb_frustum(vec3 box[2], vec4 planes[6]) {
   float *p, dp;
   int    i;