```ruby
require "benchmark/memory/errors"
require "benchmark/memory/helpers"
require "benchmark/memory/job"
require "benchmark/memory/version"

# Performance benchmarking library
module Benchmark
  # Benchmark memory usage in code to benchmark different approaches.
  # @see https://github.com/michaelherold/benchmark-memory
  module Memory
    # Measure memory usage in report blocks.
    #
    # @return [Report]
    def memory
      unless block_given?
        fail ConfigurationError, "You did you give a test block to your call to `Benchmark.memory`".freeze
      end

      job = Job.new

      yield job

      job.run
      job.run_comparison
      job.full_report
    end
  end

  extend Benchmark::Memory
end
```

Remove an unnecessary require and fix a typo
user
```ruby
require "benchmark/memory/errors"
require "benchmark/memory/job"
require "benchmark/memory/version"

# Performance benchmarking library
module Benchmark
  # Benchmark memory usage in code to benchmark different approaches.
  # @see https://github.com/michaelherold/benchmark-memory
  module Memory
    # Measure memory usage in report blocks.
    #
    # @return [Report]
    def memory
      unless block_given?
        fail ConfigurationError, "You did not give a test block to your call to `Benchmark.memory`".freeze
      end

      job = Job.new

      yield job

      job.run
      job.run_comparison
      job.full_report
    end
  end

  extend Benchmark::Memory
end
```
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