Neil Danns' early strike leaves the Eagles six points clear of the drop zone with two games to play, and they have a superior goal difference.
The hosts had to soak up a great deal of pressure but they held on to put a dent in the Whites' promotion ambitions.
Freedman said: "We are not quite there yet, mathematically we can still have things go against us.
"We want to finish the season on a high with two wins and we will reassess it for next season.
"I have reassured the lads that they are good enough to stay up and told them to keep a smile on their faces - and they have done that."
Source: PA
Source: PA