docs: fix typo (cosmos#6050)

docs/params/params.md

@@ -16,7 +16,7 @@ The 02-client submodule contains the following parameters:
 
 The allowed clients parameter defines an allow list of client types supported by the chain. The 
 default value is a single-element list containing the `AllowAllClients` wildcard (`"*"`). When the
-wilcard is used, then all client types are supported by default. Alternatively, the parameter
+wildcard is used, then all client types are supported by default. Alternatively, the parameter
 may be set with a list of client types (e.g. `"06-solomachine","07-tendermint","09-localhost"`).
 A client type that is not registered on this list will fail upon creation or on genesis validation.
 Note that, since the client type is an arbitrary string, chains must not register two light clients