modify description

Author: tamaroning

clippy_lints/src/read_zero_byte_vec.rs

@@ -26,14 +26,20 @@ declare_clippy_lint! {
     ///
     /// ### Example
     /// ```rust
-    /// let mut data = Vec::with_capacity(len);
-    /// r.read_exact(&mut data)?;
+    /// use std::io;
+    /// fn foo<F: io::Read>(mut f: F) {
+    ///     let mut data = Vec::with_capacity(100);
+    ///     f.read(&mut data).unwrap();
+    /// }
     /// ```
     /// Use instead:
     /// ```rust
-    /// let mut data = Vec::with_capacity(len);
-    /// data.resize(len, 0);
-    /// r.read_exact(&mut data)?;
+    /// use std::io;
+    /// fn foo<F: io::Read>(mut f: F) {
+    ///     let mut data = Vec::with_capacity(100);
+    ///     data.resize(100, 0);
+    ///     f.read(&mut data).unwrap();
+    /// }
     /// ```
     #[clippy::version = "1.63.0"]
     pub READ_ZERO_BYTE_VEC,