docs: fix multiple typos in documentation and source code

src/nominatim_db/clicmd/api.py

@@ -136,7 +136,7 @@ def _print_output(formatter: napi.FormatDispatcher, result: Any,
                 json.dump(json.loads(output), sys.stdout, indent=4, ensure_ascii=False)
             except json.decoder.JSONDecodeError as err:
                 # Catch the error here, so that data can be debugged,
-                # when people are developping custom result formatters.
+                # when people are developing custom result formatters.
                 LOG.fatal("Parsing json failed: %s\nUnformatted output:\n%s", err, output)
         else:
             sys.stdout.write(output)

src/nominatim_db/indexer/indexer.py

@@ -177,7 +177,7 @@ class Indexer:
 
             `total_tuples` may contain the total number of rows to process.
             When not supplied, the value will be computed using the
-            approriate runner function.
+            appropriate runner function.
         """
         LOG.warning("Starting %s (using batch size %s)", runner.name(), batch)
 

src/nominatim_db/tools/database_import.py

@@ -225,7 +225,7 @@ async def load_data(dsn: str, threads: int) -> None:
                                       total=pysql.Literal(placex_threads),
                                       mod=pysql.Literal(imod)), None)
 
-        # Interpolations need to be copied seperately
+        # Interpolations need to be copied separately
         await pool.put_query("""
                 INSERT INTO location_property_osmline (osm_id, address, linegeo)
                   SELECT osm_id, address, geometry FROM place

src/nominatim_db/tools/migration.py

@@ -29,7 +29,7 @@ _MIGRATION_FUNCTIONS: List[Tuple[NominatimVersion, Callable[..., None]]] = []
 
 def migrate(config: Configuration, paths: Any) -> int:
     """ Check for the current database version and execute migrations,
-        if necesssary.
+        if necessary.
     """
     with connect(config.get_libpq_dsn()) as conn:
         register_hstore(conn)
@@ -143,7 +143,7 @@ def create_placex_entrance_table(conn: Connection, config: Configuration, **_: A
 
 @_migration(5, 1, 99, 1)
 def create_place_entrance_table(conn: Connection, config: Configuration, **_: Any) -> None:
-    """ Add the place_entrance table to store incomming entrance nodes
+    """ Add the place_entrance table to store incoming entrance nodes
     """
     if not table_exists(conn, 'place_entrance'):
         with conn.cursor() as cur:
@@ -252,7 +252,7 @@ def create_place_postcode_table(conn: Connection, config: Configuration, **_: An
                 """)
             sqlp.run_string(conn,
                             'GRANT SELECT ON location_postcodes TO "{{config.DATABASE_WEBUSER}}"')
-            # remove postcodes from the various auxillary tables
+            # remove postcodes from the various auxiliary tables
             cur.execute(
                 """
                 DELETE FROM place_addressline