diff --git a/README.md b/README.md
index 636456a..c742d5a 100644
--- a/README.md
+++ b/README.md
@@ -106,7 +106,7 @@ You can control them when including ureq as a dependency.
 * `charset` enables interpreting the charset part of the Content-Type header
    (e.g.  `Content-Type: text/plain; charset=iso-8859-1`). Without this, the
    library defaults to Rust's built in `utf-8`.
-* `socks-proxy` enables proxy config using the `socks4://`, `socks4a://`, `socks5://` and `socks://` prefix.
+* `socks-proxy` enables proxy config using the `socks4://`, `socks4a://`, `socks5://` and `socks://` (equal to `socks5://`) prefix.
 
 ## Plain requests
 
diff --git a/src/lib.rs b/src/lib.rs
index 2c6ac0f..7c64c61 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -126,7 +126,7 @@
 //! * `charset` enables interpreting the charset part of the Content-Type header
 //!    (e.g.  `Content-Type: text/plain; charset=iso-8859-1`). Without this, the
 //!    library defaults to Rust's built in `utf-8`.
-//! * `socks-proxy` enables proxy config using the `socks4://`, `socks4a://`, `socks5://` and `socks://` prefix.
+//! * `socks-proxy` enables proxy config using the `socks4://`, `socks4a://`, `socks5://` and `socks://` (equal to `socks5://`) prefix.
 //!
 //! # Plain requests
 //!