Debian repo potential problem

debian@beaglebone:~$ sudo apt-get update
Get:1 wheezy/updates Release.gpg [1571 B]
Get:2 wheezy/updates Release [102 kB]
Get:3 wheezy Release.gpg [2390 B]
Hit wheezy-bbb Release.gpg
Get:4 wheezy Release.gpg [819 B]
Hit wheezy-bbb Release
Get:5 wheezy Release [2166 B]
Hit wheezy-bbb/main armhf Packages
Get:6 wheezy/main armhf Packages [96.9 kB]
Get:7 wheezy-updates Release.gpg [1571 B]
Get:8 wheezy/updates/main armhf Packages [371 kB]
Get:9 wheezy Release [168 kB]
Get:10 wheezy/updates/contrib armhf Packages [20 B]
Get:11 wheezy/updates/non-free armhf Packages [20 B]
Get:12 wheezy-updates Release [124 kB]
Hit wheezy/main armhf Packages
Hit wheezy/contrib armhf Packages
Hit wheezy/non-free armhf Packages
Get:13 wheezy-updates/main armhf Packages [4383 B]
Get:14 wheezy-updates/contrib armhf Packages [20 B]
Get:15 wheezy-updates/non-free armhf Packages [20 B]
Fetched 875 kB in 24s (35.3 kB/s)
Reading package lists… Done
W: Size of file /var/lib/apt/lists/ is not what the server reported 4383 4452

If further details are needed let me know.

Second try, no such error / warning. Odd though, we do not usually get corrupted downloads here. Slow . . . Yes, corrupted . . . no.