fix typesetting of Errata openzfs#4

fixes openzfs#8712

Signed-off-by: Justin Scholz <git@justinscholz.de>

cmd/zpool/zpool_main.c

@@ -7636,19 +7636,18 @@ status_callback(zpool_handle_t *zhp, void *data)
 			break;
 
 		case ZPOOL_ERRATA_ZOL_8308_ENCRYPTION:
-			(void) printf(gettext("Existing encrypted snapshots "
+			(void) printf(gettext("\tExisting encrypted snapshots "
 			    "and bookmarks contain an on-disk "
 			    "incompatibility.\n\tThis may cause on-disk "
-			    "corruption if they are used with 'zfs recv'."));
-			(void) printf(gettext(" action:  To correct the issue, "
-			    "enable the bookmark_v2 feature. No "
-			    "additional\n\taction is needed if there "
-			    "are no encrypted snapshots or bookmarks. "
-			    "If preserving\n\tthe encrypted snapshots "
-			    "and bookmarks is required, use a non-raw "
-			    "send to backup\n\tand restore them. "
-			    "Alternately, they may be removed to "
-			    "resolve the\n\tincompatibility.\n"));
+			    "corruption if they are used with 'zfs recv'.\n"));
+			(void) printf(gettext("action: To correct the issue, "
+			    "enable the bookmark_v2 feature. No additional\n\t"
+			    "action is needed if there are no encrypted "
+			    "snapshots or bookmarks. If\n\tpreserving the "
+			    "encrypted snapshots and bookmarks is required, "
+			    "use a non-raw\n\tsend to backup and restore them. "
+			    "Alternately, they may be removed to resolve\n\t"
+			    "the incompatibility.\n"));
 			break;
 
 		default: