cmMakefileTargetGenerator: simplify string streaming

Source/cmMakefileTargetGenerator.cxx

@@ -1494,8 +1494,8 @@ void cmMakefileTargetGenerator::WriteTargetDependRules()
     /* clang-format off */
   *this->InfoFileStream
     << "\n"
-    << "# Targets to which this target links.\n"
-    << "set(CMAKE_TARGET_LINKED_INFO_FILES\n";
+       "# Targets to which this target links which contain Fortran sources.\n"
+       "set(CMAKE_TARGET_LINKED_INFO_FILES\n";
     /* clang-format on */
     std::vector<std::string> dirs =
       this->GetLinkedTargetDirectories(this->GetConfigName());