Fix doxygen comment

src/half_edge.c

@@ -65,7 +65,7 @@ static bool get_all_emanating_edges(HE_vert const * const vert,
  * @param edge_array_out address of the 2d edge array to save
  * the result in [out]
  * @param ec_out the edge counter is saved here [out]
- * @return pointer to an array of half-edges, size ec_out
+ * @return true/false for success/failure
  */
 static bool get_all_emanating_edges(HE_vert const * const vert,
 		HE_edge ***edge_array_out,

src/half_edge.h

@@ -132,7 +132,7 @@ struct HE_edge {
 
 /**
  * Represents a vertex with a random attached
- * hald-edge.
+ * half-edge.
  */
 struct HE_vert {
 	/**