spelling

Author: AndyGauge

src/std_misc/file/read_lines.md

@@ -32,12 +32,13 @@ where P: AsRef<Path>, {
 }
 ```
 
-Running this program simply returns the lines individually.
+Running this program simply prints the lines individually.
 ```bash
 $ echo -e "127.0.0.1\n192.168.0.1\n" > hosts
 $ rustc read_lines.rs && ./read_lines
 127.0.0.1
 192.168.0.1
 ```
 
-This process is more efficient that creating a `String` in memory for larger files.
+This process is more efficient than creating a `String` in memory
+especially working with larger files.