Schedule 13G/A for Holly Energy Partners, L.P.


                       SECURITIES AND EXCHANGE COMMISSION
                             WASHINGTON, D.C. 20549

                                  SCHEDULE 13G

                    Under the Securities Exchange Act of 1934
                              (Amendment No. One)*

                           Holly Energy Partners, L.P.
--------------------------------------------------------------------------------
                                (Name of Issuer)

                                  Common Units
--------------------------------------------------------------------------------
                         (Title of Class of Securities)

                                    435763107
--------------------------------------------------------------------------------
                                 (CUSIP Number)

                                December 31, 2005
--------------------------------------------------------------------------------
             (Date of Event Which Requires Filing of this Statement)

Check the  appropriate box to designate the rule pursuant to which this Schedule
is filed:

     [X] Rule 13d-1(b)
     [ ] Rule 13d-1(c)
     [ ] Rule 13d-1(d)

*The  remainder of this cover page shall be filled out for a reporting  person's
initial filing on this form with respect to the subject class of securities, and
for any  subsequent  amendment  containing  information  which  would  alter the
disclosures provided in a prior cover page.

The information required in the remainder of this cover page shall not be deemed
to be "filed" for the purpose of Section 18 of the  Securities  Exchange  Act of
1934 (the "Act") or otherwise  subject to the liabilities of that section of the
Act, but shall be subject to all other  provisions of the Act (however,  see the
Notes).





----------------------------
CUSIP No.  435763107       -
----------------------------

---------- ---------------------------------------------------------------------
    1      NAME OF REPORTING PERSON
           I.R.S. IDENTIFICATION NO. OF ABOVE PERSON (entities only)
           Tortoise Capital Advisors, L.L.C. (22-3875939)
---------- ---------------------------------------------------------------------
    2      CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
           (a) [   ]
           (b) [ X ]
           (See Instructions)
---------- ---------------------------------------------------------------------
    3      SEC USE ONLY

---------- ---------------------------------------------------------------------
    4      CITIZENSHIP OR PLACE OF ORGANIZATION
           Delaware
--------------------------- ----- ----------------------------------------------
                          -   5    SOLE VOTING POWER
                          -        0
      NUMBER OF           - ----- ----------------------------------------------
       SHARES             -   6    SHARED VOTING POWER
    BENEFICIALLY          -        518,842 (see Item 4)
    OWNED BY EACH         - ----- ----------------------------------------------
      REPORTING           -   7    SOLE DISPOSITIVE POWER
       PERSON             -        0
        WITH:             - ----- ----------------------------------------------
                          -   8    SHARED DISPOSITIVE POWER
                          -        550,764 (see Item 4)
--------------------------- ----- ----------------------------------------------
   9       AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
           550,764 (see Item 4)
---------- ---------------------------------------------------------------------
   10      CHECK BOX IF THE AGGREGATE AMOUNT IN ROW 9 EXCLUDES CERTAIN
           SHARES (See Instructions) [   ]
           Not Applicable
---------- ---------------------------------------------------------------------
   11      PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
           6.7%
---------- ---------------------------------------------------------------------
   12      TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)
           IA
---------- ---------------------------------------------------------------------





----------------------------
CUSIP No.  435763107       -
----------------------------

---------- ---------------------------------------------------------------------
    1      NAME OF REPORTING PERSON
           I.R.S. IDENTIFICATION NO. OF ABOVE PERSON (entities only)
           Tortoise Energy Infrastructure Corporation (20-0384222)
---------- ---------------------------------------------------------------------
    2      CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
           (a) [   ]
           (b) [ X ]
           (See Instructions)
---------- ---------------------------------------------------------------------
    3      SEC USE ONLY

---------- ---------------------------------------------------------------------
    4      CITIZENSHIP OR PLACE OF ORGANIZATION
           Maryland
--------------------------- ----- ----------------------------------------------
                          -   5    SOLE VOTING POWER
                          -        0
      NUMBER OF           - ----- ----------------------------------------------
       SHARES             -   6    SHARED VOTING POWER
    BENEFICIALLY          -        427,070 (see Item 4)
    OWNED BY EACH         - ----- ----------------------------------------------
      REPORTING           -   7    SOLE DISPOSITIVE POWER
       PERSON             -        0
        WITH:             - ----- ----------------------------------------------
                          -   8    SHARED DISPOSITIVE POWER
                          -        427,070 (see Item 4)
--------------------------- ----- ----------------------------------------------
   9       AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
           427,070 (see Item 4)
---------- ---------------------------------------------------------------------
   10      CHECK BOX IF THE AGGREGATE AMOUNT IN ROW 9 EXCLUDES CERTAIN
           SHARES (See Instructions) [   ]
           Not Applicable
---------- ---------------------------------------------------------------------
   11      PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
           5.2%
---------- ---------------------------------------------------------------------
   12      TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)
           IV
---------- ---------------------------------------------------------------------





Item 1(a) Name of Issuer:

     Holly Energy Partners, L.P.

Item 1(b) Address of Issuer's Principal Executive Offices:

     100 Crescent Court, Suite 1600, Dallas, Texas 75201-6927

Item 2(a) Name of Persons Filing:

     This 13G is being jointly filed by Tortoise  Capital  Advisors,  L.L.C.,  a
Delaware limited liability company ("TCA"),  and Tortoise Energy  Infrastructure
Corporation, a Maryland corporation ("TYG").

     TCA and TYG have entered into an  Agreement  Regarding  Joint Filing of 13G
dated  February  6, 2006 (the  "Agreement")  pursuant  to which TCA and TYG have
agreed  to file this 13G  jointly  in  accordance  with the  provisions  of Rule
13d-1(k)(1)  of the Securities  Exchange Act of 1934, as amended (the "Act").  A
copy of the Agreement is attached hereto as Exhibit A.

Item 2(b) Address of Principal Business Office or, if None, Residence:

     The principal  business  address of both TCA and TYG is 10801 Mastin Blvd.,
Suite 222, Overland Park, Kansas 66210.

Item 2(c) Citizenship:

     TCA  is a  Delaware  limited  liability  company  and  TYG  is  a  Maryland
corporation.

Item 2(d) Title of Class of Securities:

     Common Units

Item 2(e) CUSIP Number:

     435763107

Item 3 The Reporting Person is:

     TCA is an investment adviser in accordance with Rule 13d-1(b)(1)(ii)(E) and
TYG is an  investment  company  registered  under  Section  8 of the  Investment
Company Act of 1940 (15 U.S.C. 80a-8).

Item 4 Ownership:

     TCA acts as an investment  advisor to TYG, a closed-end  investment company
registered  under the Act.  TCA, by virtue of an Investment  Advisory  Agreement
with TYG, has all investment and voting power over securities owned of record by
TYG. However,  despite its delegation of investment and voting power to TCA, TYG
may be deemed to be the  beneficial  owner  under Rule  13d-3 of the  Securities
Exchange Act of the Act, of the  securities it owns of record because it has the
right  to  acquire  investment  and  voting  power  through  termination  of the
Investment Advisory  Agreement.  Thus, TCA and TYG have reported that they share
voting power and dispositive  power over the securities  owned of record by TYG.
In  addition  to acting as an  investment  advisor  to TYG,  TCA also acts as an
investment  advisor  to  Tortoise  Energy  Capital  Corporation,   a  closed-end
investment  company  registered  under  the Act  ("TYY").  TCA,  by virtue of an
Investment Advisory





Agreement with TYY, has all investment and voting power over securities owned of
record by TYY. However, despite its delegation of investment and voting power to
TCA, TYY may be deemed to be the  beneficial  owner under Rule 13d-3 of the Act,
of the  securities  it owns  of  record  because  it has the  right  to  acquire
investment  and voting power  through  termination  of the  Investment  Advisory
Agreement.  Thus,  TCA has reported that it shares voting power and  dispositive
power over the securities owned of record by TYY. TCA also acts as an investment
advisor  to  certain  managed  accounts.   Under  contractual   agreements  with
individual  account  holders,  TCA, with respect to the  securities  held in the
managed  accounts,  shares  investment  and voting  power with  certain  account
holders,  and has no voting power but shares investment power with certain other
account  holders.  TCA may be  deemed  the  beneficial  owner of the  securities
covered by this  statement  under Rule 13d-3 of the Act. None of the  securities
listed  below  are  owned of record by TCA,  and TCA  disclaims  any  beneficial
interest in such shares.

A.   Tortoise Capital Advisors

     (a)  Amount beneficially owned: 550,764

     (b)  Percent of class: 6.7%

     (c)  Number of shares as to which the person has:

          (i)  Sole power to vote or to direct the vote: 0

          (ii) Shared power to vote or direct the vote: 518,842

          (iii) Sole power to dispose or to direct the disposition of: 0

          (iv) Shared power to dispose or to direct the disposition of: 550,764

B.   Tortoise Energy Infrastructure Corporation

     (a)  Amount beneficially owned: 427,070

     (b)  Percent of class: 5.2%

     (c)  Number of shares as to which the person has:

          (i)  Sole power to vote or to direct the vote: 0

          (ii) Shared power to vote or direct the vote: 427,070

          (iii) Sole power to dispose or to direct the disposition of: 0

          (iv) Shared power to dispose or to direct the disposition of: 427,070

Item 5 Ownership of Five Percent or Less of a Class:

     Not Applicable





Item 6 Ownership of More than Five Percent on Behalf of Another Person:

     TYG, TYY and the managed accounts  discussed in Item 4 above have the right
to receive all dividends from, and the proceeds from the sale of, the securities
held in their respective accounts.  Except for TYG, the interest of any one such
person does not exceed 5% of the class of securities.

Item 7 Identification  and  Classification  of the Subsidiary Which Acquired the
       Security Being Reported on By the Parent Holding Company:

     Not Applicable

Item 8 Identification and Classification of Members of the Group:

     Not Applicable

Item 9 Notice of Dissolution of Group:

     Not Applicable

Item 10 Certification:

     By signing  below I certify  that,  to the best of my knowledge and belief,
the  securities  referred to above were  acquired  and are held in the  ordinary
course of business  and were not acquired and are not held for the purpose of or
with the effect of  changing  or  influencing  the  control of the issuer of the
securities  and were not  acquired and are not held in  connection  with or as a
participant in any transaction having that purpose or effect.

                                    SIGNATURE

     After  reasonable  inquiry and to the best of my  knowledge  and belief,  I
certify that the information  set forth in this statement is true,  complete and
correct.

Dated:  February 6, 2006

                                      Tortoise Capital Advisors, L.L.C.


                                      By:     /s/ Terry Matlack
                                          --------------------------------------
                                      Title:  Managing Director


                                      Tortoise Energy Infrastructure Corporation


                                      By:     /s/ Terry Matlack
                                          --------------------------------------
                                      Title:  Chief Financial Officer





                                                                       Exhibit A

                  AGREEMENT REGARDING THE JOINT FILING OF SCHEDULE 13G

     In  accordance  with Rule 13d-1 (k) under the  Securities  Exchange  Act of
1934, as amended, the undersigned agree to the joint filing on behalf of each of
them of a statement on Schedule 13G (including  amendments thereto) with respect
to the Common Units of Holly Energy Partners,  L.P., and further agree that this
agreement be included as an exhibit to such filings.

     In evidence  whereof,  the  undersigned  have caused this  Agreement  to be
executed on their behalf this 6th day of February, 2006.



                                      Tortoise Capital Advisors, L.L.C.


                                      By:     /s/ Terry Matlack
                                          ----------------------------------------
                                      Title:  Managing Director


                                      Tortoise Energy Infrastructure Corporation


                                      By:     /s/ Terry Matlack
                                          --------------------------------------
                                      Title:  Chief Financial Officer