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-rw-r--r--src/doc/intro.md2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/doc/intro.md b/src/doc/intro.md
index 5b36856660d..94cbc8e0e0a 100644
--- a/src/doc/intro.md
+++ b/src/doc/intro.md
@@ -370,7 +370,7 @@ fn main() {
 ```
 
 This example is starting to get more subtle,
-but it hints at the powerful compositionality of Rust's concurrent types.
+but it hints at the powerful composability of Rust's concurrent types.
 This time we've put our array of numbers inside a `Mutex` and then put *that* inside the `Arc`.
 Like immutable data,
 `Mutex`es are sharable,