improve heading for ALTER TABLE ... ALTER COLUMN command in help

h2/src/docsrc/help/help.csv

@@ -238,7 +238,7 @@ This command commits an open transaction.
 ALTER TABLE TEST ADD CONSTRAINT NAME_UNIQUE UNIQUE(NAME)
 "
 
-"Commands (DDL)","ALTER TABLE ALTER","
+"Commands (DDL)","ALTER TABLE ALTER COLUMN","
 ALTER TABLE tableName ALTER COLUMN columnName
 { { dataType [ DEFAULT expression ] [ [ NOT ] NULL ] [ AUTO_INCREMENT | IDENTITY ] }
     | { RENAME TO name }

h2/src/main/org/h2/res/help.csv

@@ -88,7 +88,7 @@ Adds a new column to a table."
 ALTER TABLE tableName ADD constraint [ CHECK | NOCHECK ]
 ","
 Adds a constraint to a table."
-"Commands (DDL)","ALTER TABLE ALTER","
+"Commands (DDL)","ALTER TABLE ALTER COLUMN","
 ALTER TABLE tableName ALTER COLUMN columnName
 { { dataType [ DEFAULT expression ] [ [ NOT ] NULL ] [ AUTO_INCREMENT | IDENTITY ] }
     | { RENAME TO name }