Fix typo

1 files changed, 1 insertions, 1 deletions

diff --git a/src/doc/tutorial.md b/src/doc/tutorial.md
index eca765f9b9f..bd1e9b27ccb 100644
--- a/src/doc/tutorial.md
+++ b/src/doc/tutorial.md
@@ -1736,7 +1736,7 @@ let closure = || -> () { println!("{}", x) }; // can capture enclosing scope
 
 // `fun_arg` is an invalid definition
 fn  fun_arg       (arg: int) -> () { println!("{}", arg + x) }; // cannot capture enclosing scope
-let closure_arg = |arg: int| -> () { println!("{}", arg + x) }; // Can capture enclosing scope
+let closure_arg = |arg: int| -> () { println!("{}", arg + x) }; // can capture enclosing scope
 //                       ^
 // Requires a type because the implementation needs to know which `+` to use.
 // In the future, the implementation may not need the help.