diff --git a/book/README.md b/book/README.md
index f7aa8bb76..51fd9681b 100644
--- a/book/README.md
+++ b/book/README.md
@@ -1,7 +1,7 @@
 Building the Solana book
 ---
 
-Install the book's dependnecies, build, and test the book:
+Install the book's dependencies, build, and test the book:
 
 ```bash
 $ ./build.sh