diff --git a/README.md b/README.md
index 859b080..df30941 100644
--- a/README.md
+++ b/README.md
@@ -115,7 +115,8 @@ You may need to use `sudo` with `PREFIX` depending on your permissions on destin
   - `-s` : match any of the keywords in URL or title. Order is irrelevant.
   - `-S` : match all the keywords in URL or title. Order is irrelevant.
   - Search results are indexed serially. This index is different from actual database index of a bookmark reord which is shown within `()` after the URL.
-- Encryption support is manual. Database file should be unlocked (`-k`) before using buku and locked (`-l`) afterwards. Note that the database file is <i>unecrypted on creation</i>. AES256 is used for encryption. Optionally specify (`-t`) the number of hash iterations to use to generate key. Default is 8 iterations.
+- Encryption support is optionl and manual. If you choose to use encryption, the database file should be unlocked (`-k`) before using buku and locked (`-l`) afterwards. Between these 2 operations, the database file lies unencrypted on the disk, and NOT in memory. Also, note that the database file is <i>unecrypted on creation</i>.
+- AES256 is used for encryption. Optionally specify (`-t`) the number of hash iterations to use to generate key. Default is 8 iterations.
 
 ## cmdline help