diff --git a/qpms/qpms_types.h b/qpms/qpms_types.h
index 3c9c099..74aee84 100644
--- a/qpms/qpms_types.h
+++ b/qpms/qpms_types.h
@@ -333,7 +333,7 @@ typedef struct qpms_tmatrix_t {
 /// Classification of a 3D point group.
 typedef enum {
 
-	/// Axial groups
+	// Axial groups
 	QPMS_PGS_CN, ///< Rotational symmetry \f$ \mathrm{C_{nv}} \f$.
 	QPMS_PGS_S2N, ///< Rotoreflectional symmetry \f$ \mathrm{S_{2n}} \f$.
 	QPMS_PGS_CNH, ///< Rotational symmetry with horizontal reflection \f$ \mathrm{C_{nh}} \f$.
@@ -342,7 +342,7 @@ typedef enum {
 	QPMS_PGS_DND, ///< Antiprismatic symmetry \f$ \mathrm{D_{nd}} \f$.
 	QPMS_PGS_DNH, ///< Prismatic symmetry \f$ \mathrm{D_{nh}} \f$.
 
-	/// Remaining polyhedral groups
+	// Remaining polyhedral groups
 	QPMS_PGS_T, ///< Chiral tetrahedral symmetry \f$ \mathrm{T} \f$.
 	QPMS_PGS_TD, ///< Full tetrahedral symmetry \f$ \mathrm{T_d} \f$.
 	QPMS_PGS_TH, ///< Pyritohedral symmetry \f$ \mathrm{T_h} \f$.
@@ -351,14 +351,14 @@ typedef enum {
 	QPMS_PGS_I,  ///< Chiral icosahedral symmetry \f$ \mathrm{I} \f$.
 	QPMS_PGS_IH,  ///< Full icosahedral symmetry \f$ \mathrm{I_h} \f$.
 
-	/// Continuous axial groups
+	// Continuous axial groups
 	QPMS_PGS_CINF, ///< \f$ \mathrm{C_\infty} \f$
 	QPMS_PGS_CINFH, ///< \f$ \mathrm{C_{\infty h}} \f$
 	QPMS_PGS_CINFV, ///< \f$ \mathrm{C_{\infty v}} \f$
 	QPMS_PGS_DINF, ///< \f$ \mathrm{D_\infty} \f$
 	QPMS_PGS_DINFH, ///< \f$ \mathrm{D_{\infty h}} \f$
 
-	/// Continuous groups
+	// Remaining continuous groups
 	QPMS_PGS_SO3, 	///< Special orthogonal group \f$ \mathrm{SO(3)}.
 	QPMS_PGS_O3, 	///< Orthogonal group \f$ \mathrm{O(3)}.
 } qpms_pgs_class;