diff --git a/library/std/src/process.rs b/library/std/src/process.rs
index 6cf3bd619b255..e4ab1c17d9614 100644
--- a/library/std/src/process.rs
+++ b/library/std/src/process.rs
@@ -607,7 +607,7 @@ impl Command {
     ///
     /// Note that the argument is not passed through a shell, but given
     /// literally to the program. This means that shell syntax like quotes,
-    /// escaped characters, word splitting, glob patterns, substitution, etc.
+    /// escaped characters, word splitting, glob patterns, variable substitution, etc.
     /// have no effect.
     ///
     /// # Examples
@@ -637,7 +637,7 @@ impl Command {
     ///
     /// Note that the arguments are not passed through a shell, but given
     /// literally to the program. This means that shell syntax like quotes,
-    /// escaped characters, word splitting, glob patterns, substitution, etc.
+    /// escaped characters, word splitting, glob patterns, variable substitution, etc.
     /// have no effect.
     ///
     /// # Examples