Fix typo to display "Producer signup page"
Fix typo to display "Producer signup page"

oeoeaio/openfoodnetwork,KateDavis/openfoodnetwork,openfoodfoundation/openfoodnetwork,openfoodfoundation/openfoodnetwork,Em-AK/openfoodnetwork,oeoeaio/openfoodnetwork,lin-d-hop/openfoodnetwork,lin-d-hop/openfoodnetwork,oeoeaio/openfoodnetwork,mkllnk/openfoodnetwork,Matt-Yorkley/openfoodnetwork,openfoodfoundation/openfoodnetwork,mkllnk/openfoodnetwork,lin-d-hop/openfoodnetwork,Em-AK/openfoodnetwork,Matt-Yorkley/openfoodnetwork,KateDavis/openfoodnetwork,lin-d-hop/openfoodnetwork,openfoodfoundation/openfoodnetwork,oeoeaio/openfoodnetwork,Em-AK/openfoodnetwork,mkllnk/openfoodnetwork,mkllnk/openfoodnetwork,Em-AK/openfoodnetwork,KateDavis/openfoodnetwork,Matt-Yorkley/openfoodnetwork,Matt-Yorkley/openfoodnetwork,KateDavis/openfoodnetwork