docs: fix typos

nominatim/tokenizer/sanitizers/clean_postcodes.py

@@ -59,7 +59,7 @@ class _PostcodeSanitizer:
     def scan(self, postcode: str, country: Optional[str]) -> Optional[Tuple[str, str]]:
         """ Check the postcode for correct formatting and return the
             normalized version. Returns None if the postcode does not
-            correspond to the oficial format of the given country.
+            correspond to the official format of the given country.
         """
         match = self.matcher.match(country, postcode)
         if match is None:

nominatim/tokenizer/sanitizers/config.py

@@ -90,7 +90,7 @@ class SanitizerConfig(_BaseUserDict):
             True when the item passes the filter.
 
             If the parameter is empty, the filter lets all items pass. If the
-            paramter is a string, it is interpreted as a single regular expression
+            parameter is a string, it is interpreted as a single regular expression
             that must match the full kind string. If the parameter is a list then
             any of the regular expressions in the list must match to pass.
         """