group analysis - cluster correction

Dear AFNI experts,
I have a brief question regarding the clustering correction in group analysis:
I used 3dttest++ to identified the statistical significant clusters in a group analysis for a certain condition. When setting a p-threshold for individual voxels at 0.001 and clustrerizing (in the AFNI GUI), the report is listing 12 significant clusters with alpha<0.01.
My question is: to be in good standing of scientific peer-review, am I suppose to apply an additional correction to the indicated clusters? For instance, if I should consider a Bonferroni correction, than should I list only the clusters for which new_alpha = alpha*number_of_significant_clusters and new_alpha<0.05? Or perhaps no extra correction is necessary?
Thank you so much!
Best wishes,