diff --git a/README.md b/README.md
index babedf0..d1de980 100644
--- a/README.md
+++ b/README.md
@@ -11,6 +11,8 @@ Mappings
 On the first use, define the first {motion} to exchange. On the second use,
 define the second {motion} and perform the exchange.
 
+The operator can also be used from visual mode.
+
 `cxx`
 
 Like `cx`, but use the current line.
diff --git a/doc/exchange.txt b/doc/exchange.txt
index 4715663..9e7b21c 100644
--- a/doc/exchange.txt
+++ b/doc/exchange.txt
@@ -20,6 +20,7 @@ cx{motion}              Used in pairs.
                         exchanged. Any valid {motion} can be used.
                         SECOND USE: define the second region of text and
                         perform the exchange.
+                        Can also be used in |visual-mode|.
                         Note: If a region was defined accidentally, it can
                         be cleared with |cxc|