diff --git a/contrib/test_decoding/Makefile b/contrib/test_decoding/Makefile
index f122dc3a82d..931f82ab619 100644
--- a/contrib/test_decoding/Makefile
+++ b/contrib/test_decoding/Makefile
@@ -8,7 +8,7 @@ REGRESS = ddl xact rewrite toast permissions decoding_in_xact \
 	spill slot truncate
 ISOLATION = mxact delayed_startup ondisk_startup concurrent_ddl_dml \
 	oldest_xmin snapshot_transfer subxact_without_top catalog_change_snapshot \
-	skip_snapshot_restore invalidation_distrubution
+	skip_snapshot_restore invalidation_distribution
 
 REGRESS_OPTS = --temp-config $(top_srcdir)/contrib/test_decoding/logical.conf
 ISOLATION_OPTS = --temp-config $(top_srcdir)/contrib/test_decoding/logical.conf
diff --git a/contrib/test_decoding/expected/invalidation_distrubution.out b/contrib/test_decoding/expected/invalidation_distribution.out
similarity index 100%
rename from contrib/test_decoding/expected/invalidation_distrubution.out
rename to contrib/test_decoding/expected/invalidation_distribution.out
diff --git a/contrib/test_decoding/specs/invalidation_distrubution.spec b/contrib/test_decoding/specs/invalidation_distribution.spec
similarity index 100%
rename from contrib/test_decoding/specs/invalidation_distrubution.spec
rename to contrib/test_decoding/specs/invalidation_distribution.spec