diff --git a/docs/source/aabb2d.rst b/docs/source/aabb2d.rst
index 09b15f3..3857781 100644
--- a/docs/source/aabb2d.rst
+++ b/docs/source/aabb2d.rst
@@ -161,7 +161,7 @@ Functions documentation
       | *[in]*    **aabb**     bounding box
       | *[out]*   **other**   other bounding box
 
-.. c:function:: bool  glm_aabb2d_circle(vec2 aabb[2], vec3 s)
+.. c:function:: bool  glm_aabb2d_circle(vec2 aabb[2], vec3 c)
 
     | check if AABB intersects with sphere