-\IM{PGP signatures} PGP signatures, of PuTTY binaries
-\IM{PGP signatures} signatures, of PuTTY binaries
+\IM{GPG signatures} PGP signatures, of PuTTY binaries
+\IM{GPG signatures} GPG signatures, of PuTTY binaries
+\IM{GPG signatures} signatures, of PuTTY binaries