diff --git a/ethstore/src/lib.rs b/ethstore/src/lib.rs
index 13ad4e013..06a8259de 100755
--- a/ethstore/src/lib.rs
+++ b/ethstore/src/lib.rs
@@ -67,5 +67,5 @@ pub use self::secret_store::{
 pub use self::random::random_string;
 pub use self::parity_wordlist::random_phrase;
 
-/// A opaque wrapper for secret.
+/// An opaque wrapper for secret.
 pub struct OpaqueSecret(::ethkey::Secret);
diff --git a/parity/cli/usage.txt b/parity/cli/usage.txt
index 5dc2f8404..40be1856f 100644
--- a/parity/cli/usage.txt
+++ b/parity/cli/usage.txt
@@ -99,8 +99,9 @@ Account Options:
                                    deriving key from the password (bigger is more
                                    secure) (default: {flag_keys_iterations}).
   --no-hardware-wallets            Disables hardware wallet support. (default: {flag_no_hardware_wallets})
-  --fast-unlock                    Use way faster unlocking mode. This setting causes raw secrets to be stored
-                                   unprotected in memory. (default: {flag_fast_unlock})
+  --fast-unlock                    Use drasticly faster unlocking mode. This setting causes
+                                   raw secrets to be stored unprotected in memory,
+                                   so use with care. (default: {flag_fast_unlock})
 
 UI Options:
   --force-ui                       Enable Trusted UI WebSocket endpoint,