diff --git a/README.md b/README.md
index 23ef5d5..e492a62 100644
--- a/README.md
+++ b/README.md
@@ -101,7 +101,7 @@ In application controls
 | ```( enter )```| Run selected docker command.|
 | ```( 1-9 )``` | Sort containers by heading, clicking on headings also sorts the selected column. |
 | ```( 0 )``` | Stop sorting.|
-| ```( e )``` | Exec into the selected container.|
+| ```( e )``` | Exec into the selected container - not available on Windows.|
 | ```( h )``` | Toggle help menu.|
 | ```( m )``` | Toggle mouse capture - if disabled, text on screen can be selected.|
 | ```( q )``` | Quit.|
diff --git a/src/ui/draw_blocks.rs b/src/ui/draw_blocks.rs
index 44f9abf..f2d0b60 100644
--- a/src/ui/draw_blocks.rs
+++ b/src/ui/draw_blocks.rs
@@ -681,6 +681,8 @@ impl HelpInfo {
                 space(),
                 button_item("e"),
                 button_desc("exec into a container"),
+                #[cfg(target_os = "windows")]
+                button_desc(" - not available on Windows"),
             ]),
             Line::from(vec![
                 space(),