Minor spelling fixes

2 files changed, 2 insertions, 2 deletions

diff --git a/src/libcore/convert.rs b/src/libcore/convert.rs
index c207ad16595..b4ac020795c 100644
--- a/src/libcore/convert.rs
+++ b/src/libcore/convert.rs
@@ -19,7 +19,7 @@
 //!
 //! - Impl the `As*` traits for reference-to-reference conversions
 //! - Impl the `Into` trait when you want to consume the value in the conversion
-//! - The `From` trait is the most flexible, usefull for values _and_ references conversions
+//! - The `From` trait is the most flexible, useful for values _and_ references conversions
 //!
 //! As a library writer, you should prefer implementing `From<T>` rather than
 //! `Into<U>`, as `From` provides greater flexibility and offer the equivalent `Into`
diff --git a/src/libcore/str/mod.rs b/src/libcore/str/mod.rs
index f19970546d7..fa169416a10 100644
--- a/src/libcore/str/mod.rs
+++ b/src/libcore/str/mod.rs
@@ -1740,7 +1740,7 @@ impl StrExt for str {
         let mut matcher = pat.into_searcher(self);
         if let Some((a, b)) = matcher.next_reject() {
             i = a;
-            j = b; // Rember earliest known match, correct it below if
+            j = b; // Remember earliest known match, correct it below if
                    // last match is different
         }
         if let Some((_, b)) = matcher.next_reject_back() {