Typo in doc

Change-Id: Ic9cd181178c616c414ac66cca25c73f45b5639b3
diff --git a/docs/StyleGuide.md b/docs/StyleGuide.md
index 300e34c..3cdd290 100644
--- a/docs/StyleGuide.md
+++ b/docs/StyleGuide.md
@@ -28,7 +28,7 @@
 
 *   Arch-specific functions should start with `arch_`.
 *   Platform-specific functions should start with `plat_`.
-*   Non-static functions should generally start with the same of the file they
+*   Non-static functions should generally start with the name of the file they
     are declared in (after the `arch_` or `plat_` prefix if appropriate), though
     there are quite a few exceptions to this rule.
 *   Prefer `x_count` over `num_x`.