# File src/ruby_supportlib/phusion_passenger/platform_info/depcheck.rb, line 96
        def install_instructions(value = nil)
          if value
            @install_instructions = value
          else
            if @install_instructions
              @install_instructions
            elsif @website
              result = "Please download it from <b>#{@website}</b>"
              result << "\n(#{@website_comments})" if @website_comments
              result
            else
              "Search Google for '#{@name}'."
            end
          end
        end