Logical replication SnapBuildInitalSnapshot spelling

diff --git a/src/backend/replication/logical/snapbuild.c b/src/backend/replication/logical/snapbuild.c
index a73a7b9..a06343a 100644
--- a/src/backend/replication/logical/snapbuild.c
+++ b/src/backend/replication/logical/snapbuild.c
@@ -506,7 +506,7 @@ SnapBuildBuildSnapshot(SnapBuild *builder, TransactionId xid)
  * for loading in different transaction.
  */
 Snapshot
-SnapBuildInitalSnapshot(SnapBuild *builder)
+SnapBuildInitialSnapshot(SnapBuild *builder)
 {
 	Snapshot	snap;
 	TransactionId xid;
@@ -604,7 +604,7 @@ SnapBuildExportSnapshot(SnapBuild *builder)
 	XactIsoLevel = XACT_REPEATABLE_READ;
 	XactReadOnly = true;
 
-	snap = SnapBuildInitalSnapshot(builder);
+	snap = SnapBuildInitialSnapshot(builder);
 
 	/*
 	 * now that we've built a plain snapshot, make it active and use the
diff --git a/src/backend/replication/walsender.c b/src/backend/replication/walsender.c
index a29d0e7..dc80e09 100644
--- a/src/backend/replication/walsender.c
+++ b/src/backend/replication/walsender.c
@@ -937,7 +937,7 @@ CreateReplicationSlot(CreateReplicationSlotCmd *cmd)
 		{
 			Snapshot	snap;
 
-			snap = SnapBuildInitalSnapshot(ctx->snapshot_builder);
+			snap = SnapBuildInitialSnapshot(ctx->snapshot_builder);
 			RestoreTransactionSnapshot(snap, MyProc);
 		}
 
diff --git a/src/include/replication/snapbuild.h b/src/include/replication/snapbuild.h
index 091a9f9..a8ae631 100644
--- a/src/include/replication/snapbuild.h
+++ b/src/include/replication/snapbuild.h
@@ -59,7 +59,7 @@ extern void FreeSnapshotBuilder(SnapBuild *cache);
 
 extern void SnapBuildSnapDecRefcount(Snapshot snap);
 
-extern Snapshot SnapBuildInitalSnapshot(SnapBuild *builder);
+extern Snapshot SnapBuildInitialSnapshot(SnapBuild *builder);
 extern const char *SnapBuildExportSnapshot(SnapBuild *snapstate);
 extern void SnapBuildClearExportedSnapshot(void);