He linked up with the Glovers in August on an initial agreement which is due to run until the turn of the year.
Ralls told the Western Gazette: "I'm really enjoying myself. The boys have been brilliant, hopefully I can kick on, score a few goals and help the team.
"I'm not sure what will happen in January, but I will keep my head down and work hard until then. It will be nice to see what happens in January.
"The fans, I couldn't believe how they got behind the club here. They're brilliant, especially at home and it's been a joy to play in front of them.
"We have given them some good performances and if we get a couple of good results, they can really help us this season."
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