Fix some typos in regression test comments.

Back-patch to avoid unnecessary cross-branch differences.

CharSyam

src/test/regress/expected/alter_generic.out

@@ -450,7 +450,7 @@ ERROR:  associated data types must be specified for index support procedure
 DROP OPERATOR FAMILY alt_opf16 USING gist;
 -- Should fail. duplicate operator number / function number in ALTER OPERATOR FAMILY ... ADD FUNCTION
 CREATE OPERATOR FAMILY alt_opf17 USING btree;
-ALTER OPERATOR FAMILY alt_opf17 USING btree ADD OPERATOR 1 < (int4, int4), OPERATOR 1 < (int4, int4); -- operator # appears twice in same statment
+ALTER OPERATOR FAMILY alt_opf17 USING btree ADD OPERATOR 1 < (int4, int4), OPERATOR 1 < (int4, int4); -- operator # appears twice in same statement
 ERROR:  operator number 1 for (integer,integer) appears more than once
 ALTER OPERATOR FAMILY alt_opf17 USING btree ADD OPERATOR 1 < (int4, int4); -- operator 1 requested first-time
 ALTER OPERATOR FAMILY alt_opf17 USING btree ADD OPERATOR 1 < (int4, int4); -- operator 1 requested again in separate statement

src/test/regress/expected/jsonb.out

@@ -2162,7 +2162,7 @@ SELECT count(*) FROM testjsonb WHERE j @> '{"array":["bar"]}';
      3
 (1 row)
 
--- excercise GIN_SEARCH_MODE_ALL
+-- exercise GIN_SEARCH_MODE_ALL
 SELECT count(*) FROM testjsonb WHERE j @> '{}';
  count 
 -------
@@ -2336,7 +2336,7 @@ SELECT count(*) FROM testjsonb WHERE j @> '{"age":25.0}';
      2
 (1 row)
 
--- excercise GIN_SEARCH_MODE_ALL
+-- exercise GIN_SEARCH_MODE_ALL
 SELECT count(*) FROM testjsonb WHERE j @> '{}';
  count 
 -------

src/test/regress/expected/jsonb_1.out

@@ -2162,7 +2162,7 @@ SELECT count(*) FROM testjsonb WHERE j @> '{"array":["bar"]}';
      3
 (1 row)
 
--- excercise GIN_SEARCH_MODE_ALL
+-- exercise GIN_SEARCH_MODE_ALL
 SELECT count(*) FROM testjsonb WHERE j @> '{}';
  count 
 -------
@@ -2336,7 +2336,7 @@ SELECT count(*) FROM testjsonb WHERE j @> '{"age":25.0}';
      2
 (1 row)
 
--- excercise GIN_SEARCH_MODE_ALL
+-- exercise GIN_SEARCH_MODE_ALL
 SELECT count(*) FROM testjsonb WHERE j @> '{}';
  count 
 -------

src/test/regress/sql/alter_generic.sql

@@ -390,7 +390,7 @@ DROP OPERATOR FAMILY alt_opf16 USING gist;
 
 -- Should fail. duplicate operator number / function number in ALTER OPERATOR FAMILY ... ADD FUNCTION
 CREATE OPERATOR FAMILY alt_opf17 USING btree;
-ALTER OPERATOR FAMILY alt_opf17 USING btree ADD OPERATOR 1 < (int4, int4), OPERATOR 1 < (int4, int4); -- operator # appears twice in same statment
+ALTER OPERATOR FAMILY alt_opf17 USING btree ADD OPERATOR 1 < (int4, int4), OPERATOR 1 < (int4, int4); -- operator # appears twice in same statement
 ALTER OPERATOR FAMILY alt_opf17 USING btree ADD OPERATOR 1 < (int4, int4); -- operator 1 requested first-time
 ALTER OPERATOR FAMILY alt_opf17 USING btree ADD OPERATOR 1 < (int4, int4); -- operator 1 requested again in separate statement
 ALTER OPERATOR FAMILY alt_opf17 USING btree ADD

src/test/regress/sql/jsonb.sql

@@ -529,7 +529,7 @@ SELECT count(*) FROM testjsonb WHERE j @> '{"age":25}';
 SELECT count(*) FROM testjsonb WHERE j @> '{"age":25.0}';
 SELECT count(*) FROM testjsonb WHERE j @> '{"array":["foo"]}';
 SELECT count(*) FROM testjsonb WHERE j @> '{"array":["bar"]}';
--- excercise GIN_SEARCH_MODE_ALL
+-- exercise GIN_SEARCH_MODE_ALL
 SELECT count(*) FROM testjsonb WHERE j @> '{}';
 SELECT count(*) FROM testjsonb WHERE j ? 'public';
 SELECT count(*) FROM testjsonb WHERE j ? 'bar';
@@ -582,7 +582,7 @@ SELECT count(*) FROM testjsonb WHERE j @> '{"wait":"CC"}';
 SELECT count(*) FROM testjsonb WHERE j @> '{"wait":"CC", "public":true}';
 SELECT count(*) FROM testjsonb WHERE j @> '{"age":25}';
 SELECT count(*) FROM testjsonb WHERE j @> '{"age":25.0}';
--- excercise GIN_SEARCH_MODE_ALL
+-- exercise GIN_SEARCH_MODE_ALL
 SELECT count(*) FROM testjsonb WHERE j @> '{}';
 
 RESET enable_seqscan;