diff --git a/core/src/str/pattern.rs b/core/src/str/pattern.rs
index cc66da25795dd..8988229be2e57 100644
--- a/core/src/str/pattern.rs
+++ b/core/src/str/pattern.rs
@@ -342,7 +342,7 @@ pub unsafe trait ReverseSearcher<'a>: Searcher<'a> {
 ///
 /// `(&str)::Searcher` is not a `DoubleEndedSearcher` because
 /// the pattern `"aa"` in the haystack `"aaa"` matches as either
-/// `"[aa]a"` or `"a[aa]"`, depending from which side it is searched.
+/// `"[aa]a"` or `"a[aa]"`, depending on which side it is searched.
 pub trait DoubleEndedSearcher<'a>: ReverseSearcher<'a> {}
 
 /////////////////////////////////////////////////////////////////////////////
diff --git a/std/src/sys/thread_local/fast_local/mod.rs b/std/src/sys/thread_local/fast_local/mod.rs
index 25379071cb7a6..152137d92709b 100644
--- a/std/src/sys/thread_local/fast_local/mod.rs
+++ b/std/src/sys/thread_local/fast_local/mod.rs
@@ -1,7 +1,7 @@
 //! Thread local support for platforms with native TLS.
 //!
 //! To achieve the best performance, we choose from four different types for
-//! the TLS variable, depending from the method of initialization used (`const`
+//! the TLS variable, depending on the method of initialization used (`const`
 //! or lazy) and the drop requirements of the stored type:
 //!
 //! |         | `Drop`               | `!Drop`             |