provider-storemgmt: Document the input-type and properties parameters.
@@ -153,6 +153,16 @@ fingerprint, computed with the given digest.
Indicates that the caller wants to search for an object with the given
alias (some call it a "friendly name").
+=item "properties" (B<OSSL_STORE_PARAM_PROPERTIES) <utf8 string>
+
+Property string to use when querying for algorithms such as the B<OSSL_DECODER>
+decoder implementations.
+
+=item "input-type" (B<OSSL_STORE_PARAM_INPUT_TYPE) <utf8 string>
+
+Type of the input format as a hint to use when decoding the objects in the
+store.
+
=back
Several of these search criteria may be combined. For example, to
