Broker requesting 401k statement for a mortgage loan.

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I applied for a mortgage loan through a local broker that was referred by my realtor and was instantly Pre-approved because I have pretty good credit. I now have to provide the routine documents  (W-2s, pay stubs,  tax returns ect...) I was also asked to provide a copy of my most recent quarter 401k statement  (no big deal, this will be apart of my asset) but then he asked me to also provide a copy of the directions on how to take money out of my 401k if I needed to take money out.  This has me a little uneasy.  Is this a normal request from a broker for a mortgage loan?