Update generated docs

FULL_HELP_DOCS.md

@@ -933,7 +933,7 @@ Create and manage identities including keys and addresses
 
 ###### **Subcommands:**
 
-* `add` — Add a new identity (keypair, ledger, macOS keychain)
+* `add` — Add a new identity (keypair, ledger, OS specific secure store)
 * `address` — Given an identity return its address (public key)
 * `fund` — Fund an identity on a test network
 * `generate` — Generate a new identity with a seed phrase, currently 12 words
@@ -946,7 +946,7 @@ Create and manage identities including keys and addresses
 
 ## `stellar keys add`
 
-Add a new identity (keypair, ledger, macOS keychain)
+Add a new identity (keypair, ledger, OS specific secure store)
 
 **Usage:** `stellar keys add [OPTIONS] <NAME>`
 
@@ -1018,6 +1018,7 @@ Generate a new identity with a seed phrase, currently 12 words
 * `--no-fund` — Do not fund address
 * `--seed <SEED>` — Optional seed to use when generating seed phrase. Random otherwise
 * `-s`, `--as-secret` — Output the generated identity as a secret key
+* `--secure-store` — Save in OS-specific secure store
 * `--global` — Use global config
 * `--config-dir <CONFIG_DIR>` — Location of config directory, default is "."
 * `--hd-path <HD_PATH>` — When generating a secret key, which `hd_path` should be used from the original `seed_phrase`