diff --git a/README.md b/README.md
index 04f63ba..a98a48b 100644
--- a/README.md
+++ b/README.md
@@ -194,7 +194,7 @@ doesn't match one of the following:
 - `.zip`
 - No extension
 
-It tries to be careful about what consistutes an extension. It's common for releases to include a
+It tries to be careful about what constitutes an extension. It's common for releases to include a
 dot (`.`) in the filename before something that's _not_ intended as an extension, for example
 `some-tool.linux.amd64`.
 
diff --git a/ubi/src/lib.rs b/ubi/src/lib.rs
index 311a49c..9a594fb 100644
--- a/ubi/src/lib.rs
+++ b/ubi/src/lib.rs
@@ -71,7 +71,7 @@
 //! - `.zip`
 //! - No extension
 //!
-//! It tries to be careful about what consistutes an extension. It's common for releases to include a
+//! It tries to be careful about what constitutes an extension. It's common for releases to include a
 //! dot (`.`) in the filename before something that's _not_ intended as an extension, for example
 //! `some-tool.linux.amd64`.
 //!