diff --git a/src/Primitives/Capsule.h b/src/Primitives/Capsule.h
index 243e426c9..b0b2b291f 100644
--- a/src/Primitives/Capsule.h
+++ b/src/Primitives/Capsule.h
@@ -26,8 +26,8 @@ namespace Magnum { namespace Primitives {
 /**
 @brief 3D capsule primitive
 
-Cylinder along Y axis with hemispheres instead of caps. Indexed with normals
-and optional 2D texture coordinates.
+Cylinder along Y axis with hemispheres instead of caps. Indexed triangle mesh
+with normals and optional 2D texture coordinates.
 */
 class Capsule: public Trade::MeshData3D {
     friend class UVSphere;
diff --git a/src/Primitives/Cube.h b/src/Primitives/Cube.h
index 95f98c0f5..e3ed55951 100644
--- a/src/Primitives/Cube.h
+++ b/src/Primitives/Cube.h
@@ -26,7 +26,7 @@ namespace Magnum { namespace Primitives {
 /**
 @brief 3D cube primitive
 
-Indexed with smooth normals.
+Indexed triangle mesh with smooth normals.
 @todo Does anyone EVER want smooth normals on a cube?!
 */
 class Cube: public Trade::MeshData3D {
diff --git a/src/Primitives/Cylinder.h b/src/Primitives/Cylinder.h
index f8c5a5a3b..c2dcf5877 100644
--- a/src/Primitives/Cylinder.h
+++ b/src/Primitives/Cylinder.h
@@ -28,8 +28,8 @@ namespace Magnum { namespace Primitives {
 /**
 @brief 3D cylinder primitive
 
-Indexed with normals, optional 2D texture coordinates and optional capped
-ends.
+Indexed triangle mesh with normals, optional 2D texture coordinates and
+optional capped ends.
 */
 class Cylinder: public Capsule {
     public:
diff --git a/src/Primitives/Icosphere.h b/src/Primitives/Icosphere.h
index 5bc2afacc..c01589d65 100644
--- a/src/Primitives/Icosphere.h
+++ b/src/Primitives/Icosphere.h
@@ -31,7 +31,7 @@ template<size_t subdivisions> class Icosphere;
 /**
 @brief 3D icosphere primitive with zero subdivisions
 
-Indexed with normals.
+Indexed triangle mesh with normals.
 @todo Use own computed (and more precise) icosahedron data, not these stolen
 from Blender.
 */
@@ -45,7 +45,7 @@ template<> class Icosphere<0>: public Trade::MeshData3D {
 @brief 3D icosphere primitive
 @tparam subdivisions     Number of subdivisions
 
-Indexed with normals.
+Indexed triangle mesh with normals.
 */
 #ifndef DOXYGEN_GENERATING_OUTPUT
 template<size_t subdivisions> class Icosphere: public Icosphere<0> {
diff --git a/src/Primitives/Plane.h b/src/Primitives/Plane.h
index e1d0045ce..1cdb6f104 100644
--- a/src/Primitives/Plane.h
+++ b/src/Primitives/Plane.h
@@ -26,7 +26,7 @@ namespace Magnum { namespace Primitives {
 /**
 @brief 3D plane primitive
 
-2x2 plane, non-indexed with normals in positive Z direction.
+2x2 plane as triangle strip, non-indexed with normals in positive Z direction.
 */
 class Plane: public Trade::MeshData3D {
     public:
diff --git a/src/Primitives/Square.h b/src/Primitives/Square.h
index eff7f6595..d83520580 100644
--- a/src/Primitives/Square.h
+++ b/src/Primitives/Square.h
@@ -26,7 +26,7 @@ namespace Magnum { namespace Primitives {
 /**
 @brief 2D square primitive
 
-2x2 square, non-indexed.
+2x2 square as triangle strip, non-indexed.
 */
 class Square: public Trade::MeshData2D {
     public:
diff --git a/src/Primitives/UVSphere.h b/src/Primitives/UVSphere.h
index 2e81ae6f4..d61c60a3c 100644
--- a/src/Primitives/UVSphere.h
+++ b/src/Primitives/UVSphere.h
@@ -26,7 +26,7 @@ namespace Magnum { namespace Primitives {
 /**
 @brief 3D UV sphere primitive
 
-Indexed with normals and optional 2D texture coordinates.
+Indexed triangle mesh with normals and optional 2D texture coordinates.
 */
 class UVSphere: public Capsule {
     public: