diff --git a/doc/docs.md b/doc/docs.md
index 4537e8220f..653348c208 100644
--- a/doc/docs.md
+++ b/doc/docs.md
@@ -262,7 +262,7 @@ As in many other languages (such as C, Go, and Rust), `main` is the entry point
 [`println`](#println) is one of the few [built-in functions](#builtin-functions).
 It prints the value passed to it to standard output.
 
-`fn main()` declaration can be skipped in one file programs.
+`fn main()` declaration can be skipped in single file programs.
 This is useful when writing small programs, "scripts", or just learning the language.
 For brevity, `fn main()` will be skipped in this tutorial.