diff --git a/book/src/01_intro/01_syntax.md b/book/src/01_intro/01_syntax.md
index ae75733310..009a63c2c1 100644
--- a/book/src/01_intro/01_syntax.md
+++ b/book/src/01_intro/01_syntax.md
@@ -105,7 +105,7 @@ If there are multiple input parameters, they must be separated with commas.
 
 ### Type annotations
 
-Since we've been mentioned "types" a few times, let's state it clearly: Rust is a **statically typed language**.\
+Since we've mentioned "types" a few times, let's state it clearly: Rust is a **statically typed language**.\
 Every single value in Rust has a type and that type must be known to the compiler at compile-time.
 
 Types are a form of **static analysis**.\