diff --git a/src/macros.md b/src/macros.md
index a65c44ff8..55da4eb33 100644
--- a/src/macros.md
+++ b/src/macros.md
@@ -1,6 +1,6 @@
 # Macros
 
-The functionality and syntax of Rust can be extended with custom definitons
+The functionality and syntax of Rust can be extended with custom definitions
 called macros. They are given names, and invoked through a consistent
 syntax:`some_extension!(...)`.