Fix spelling errors in comments.

I corrected misspelled comments in several crates.

2 files changed, 5 insertions, 5 deletions

diff --git a/src/libstd/io/stdio.rs b/src/libstd/io/stdio.rs
index 75d047d5c9c..f55a825a137 100644
--- a/src/libstd/io/stdio.rs
+++ b/src/libstd/io/stdio.rs
@@ -19,7 +19,7 @@ use io::{self, BufReader, LineWriter};
 use sync::{Arc, Mutex, MutexGuard};
 use sys::stdio;
 
-/// Stdout used by print! and println! macroses
+/// Stdout used by print! and println! macros
 thread_local! {
     static LOCAL_STDOUT: RefCell<Option<Box<Write + Send>>> = {
         RefCell::new(None)
diff --git a/src/libstd/sys/common/rwlock.rs b/src/libstd/sys/common/rwlock.rs
index fe374e1fd78..f7d7a5715bc 100644
--- a/src/libstd/sys/common/rwlock.rs
+++ b/src/libstd/sys/common/rwlock.rs
@@ -25,7 +25,7 @@ impl RWLock {
     /// thread to do so.
     ///
     /// Behavior is undefined if the rwlock has been moved between this and any
-    /// previous methodo call.
+    /// previous method call.
     #[inline]
     pub unsafe fn read(&self) { self.0.read() }
 
@@ -35,7 +35,7 @@ impl RWLock {
     /// This function does not block the current thread.
     ///
     /// Behavior is undefined if the rwlock has been moved between this and any
-    /// previous methodo call.
+    /// previous method call.
     #[inline]
     pub unsafe fn try_read(&self) -> bool { self.0.try_read() }
 
@@ -43,7 +43,7 @@ impl RWLock {
     /// to do so.
     ///
     /// Behavior is undefined if the rwlock has been moved between this and any
-    /// previous methodo call.
+    /// previous method call.
     #[inline]
     pub unsafe fn write(&self) { self.0.write() }
 
@@ -53,7 +53,7 @@ impl RWLock {
     /// This function does not block the current thread.
     ///
     /// Behavior is undefined if the rwlock has been moved between this and any
-    /// previous methodo call.
+    /// previous method call.
     #[inline]
     pub unsafe fn try_write(&self) -> bool { self.0.try_write() }