The amount for pension income on the income summary should be the total from lines 113, 114, 115, and 116 of your return. You can see these lines on your Detailed Tax Summary, which is accessible by going to Review > Bottom Line (Tax Summaries), then clicking on the Detailed Tax Summary link.
Do you have income on a T4RIF, or is your spouse splitting their pension income with you?
On the Detailed Tax Summary you can click on the description beside lines 113-116 and see which amounts are included.