diff --git a/CHANGELOG.md b/CHANGELOG.md
index 1cd27e7d1..8bf571caf 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -683,7 +683,7 @@ New features:
 * Empty sub-expressions are now permitted in most places. That is, `()+` is
   now a valid regex.
 * Almost everything in regex-syntax now uses constant stack space, even when
-  performing anaylsis that requires structural induction. This reduces the risk
+  performing analysis that requires structural induction. This reduces the risk
   of a user provided regular expression causing a stack overflow.
 * [FEATURE #174](https://github.com/rust-lang/regex/issues/174):
   The `Ast` type in `regex-syntax` now contains span information.
diff --git a/bench/src/sherlock.rs b/bench/src/sherlock.rs
index 8feb5862e..d1afbdd1b 100644
--- a/bench/src/sherlock.rs
+++ b/bench/src/sherlock.rs
@@ -149,12 +149,12 @@ sherlock!(before_holmes, r"\w+\s+Holmes", 319);
 // and suffix optimizations.
 sherlock!(before_after_holmes, r"\w+\s+Holmes\s+\w+", 137);
 
-// Find Holmes co-occuring with Watson in a particular window of characters.
+// Find Holmes co-occurring with Watson in a particular window of characters.
 // This uses Aho-Corasick for the Holmes|Watson prefix, but the lazy DFA for
 // the rest.
 sherlock!(holmes_cochar_watson, r"Holmes.{0,25}Watson|Watson.{0,25}Holmes", 7);
 
-// Find Holmes co-occuring with Watson in a particular window of words.
+// Find Holmes co-occurring with Watson in a particular window of words.
 // This uses Aho-Corasick for the Holmes|Watson prefix, but the lazy DFA for
 // the rest.
 #[cfg(not(feature = "re-onig"))]