diff --git a/README.md b/README.md
index 08da6a8..c66bb24 100644
--- a/README.md
+++ b/README.md
@@ -21,7 +21,7 @@ fn eval_mem(bf_str: &&str, mem: &mut [u8], pointer: &mut usize) -> Result<(), St
 Example code:
 ```rs
 // print "Hello world!"
-eval("++++++++[>++++[>++>+++>+++>+<<<<-]>+>+>->>+[<]<-]>>.>---.+++++++..+++.>>.<-.<.+++.------.--------.>>+.>++.").unwrap();
+eval(&"++++++++[>++++[>++>+++>+++>+<<<<-]>+>+>->>+[<]<-]>>.>---.+++++++..+++.>>.<-.<.+++.------.--------.>>+.>++.").unwrap();
 ```
 
 Also check out `examples/` directory
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