diff --git a/docs/releasenotes/5.1.1.rst b/docs/releasenotes/5.1.1.rst
index 76295a42e..0a5eb1fdb 100644
--- a/docs/releasenotes/5.1.1.rst
+++ b/docs/releasenotes/5.1.1.rst
@@ -12,7 +12,7 @@ Prior to Pillow 5.1.0, Xcode 8 was used, supporting El Capitan 10.11.
 Instead, Pillow 5.1.1 is built with the oldest available Xcode 6.4 to support
 at least 10.10 Yosemite.
 
-Fix _i2f compilation on some GCC versions
-=========================================
+Fix _i2f compilation with some GCC versions
+===========================================
 
-For example, this allows compilation on GCC 4.8.
+For example, this allows compilation with GCC 4.8 on NetBSD.