Frogspawn question

Pwny

Reefing newb
aright so i just got done adding some new corals and i notice my 2 frogpawns are swelled up not there arms just there body where there mouth is, should i be worryed or possably a defense or somthing only think i can think of is i think i might of brushed them with my hand puting a coral in
 
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