fix doc

Author: affeldt-aist

theories/topology_theory/initial_topology.v

@@ -15,9 +15,9 @@ From mathcomp Require Import pseudometric_structure.
 (* respect to $f$.                                                            *)
 (*                                                                            *)
 (* NB: Before version 1.16.0, the initial topology was called the weak        *)
-(* topology. Though in some literature it can be called that way, we reserve  *)
-(* "weak topology" for the topology induced on a topological vector space by  *)
-(* its dual.                                                                  *)
+(* topology. Though in some literature (e.g., Wilansky) it can be called that *)
+(* way, we reserve "weak topology" for the topology induced on a topological  *)
+(* vector space by its dual.                                                  *)
 (*                                                                            *)
 (* ```                                                                        *)
 (*      initial_topology f == initial topology by a function f : S -> T on S  *)