docs(x/accounts): fix doc (#22295)

(cherry picked from commit 3440ad6)

x/accounts/README.md

@@ -502,7 +502,7 @@ In order to create accounts at genesis, the `x/accounts` module allows developer
 a list of genesis `MsgInit` messages that will be executed in the `x/accounts` genesis flow.
 
 The init messages are generated offline. You can also use the following CLI command to generate the
-json messages: `simd accounts tx init [account type] [msg] --from me --genesis`. This will generate
+json messages: `simd tx accounts init [account type] [msg] --from me --genesis`. This will generate
 a jsonified init message wrapped in an x/accounts `MsgInit`.
 
 This follows the same initialization flow and rules that would happen if the chain is running.