Fix spelling errors.

3 files changed, 3 insertions, 3 deletions

diff --git a/src/libstd/io/net/ip.rs b/src/libstd/io/net/ip.rs
index 2c54bd895e9..ca59849202b 100644
--- a/src/libstd/io/net/ip.rs
+++ b/src/libstd/io/net/ip.rs
@@ -410,7 +410,7 @@ mod test {
         // colon after v4
         let none: Option<IpAddr> = FromStr::from_str("::127.0.0.1:");
         assert_eq!(None, none);
-        // not enought groups
+        // not enough groups
         let none: Option<IpAddr> = FromStr::from_str("1.2.3.4.5:127.0.0.1");
         assert_eq!(None, none);
         // too many groups
diff --git a/src/libstd/os.rs b/src/libstd/os.rs
index c69209acbdd..4388de43f20 100644
--- a/src/libstd/os.rs
+++ b/src/libstd/os.rs
@@ -469,7 +469,7 @@ pub fn unsetenv(n: &str) {
 ///             println!("'{}'", path.display());
 ///         }
 ///     }
-///     None => println!("{} is not defined in the environnement.", key)
+///     None => println!("{} is not defined in the environment.", key)
 /// }
 /// ```
 pub fn split_paths<T: BytesContainer>(unparsed: T) -> Vec<Path> {
diff --git a/src/libstd/rt/backtrace.rs b/src/libstd/rt/backtrace.rs
index 8f51e834c6a..2e0dcdd8eb6 100644
--- a/src/libstd/rt/backtrace.rs
+++ b/src/libstd/rt/backtrace.rs
@@ -266,7 +266,7 @@ mod imp {
         }
 
         // while it doesn't requires lock for work as everything is
-        // local, it still displays much nicier backtraces when a
+        // local, it still displays much nicer backtraces when a
         // couple of tasks fail simultaneously
         static mut LOCK: StaticNativeMutex = NATIVE_MUTEX_INIT;
         let _g = unsafe { LOCK.lock() };