diff --git a/rust-hexyl.spec b/rust-hexyl.spec
index 7e4e155..58027ee 100644
--- a/rust-hexyl.spec
+++ b/rust-hexyl.spec
@@ -5,7 +5,7 @@
 
 Name:           rust-%{crate}
 Version:        0.4.0
-Release:        1%{?dist}
+Release:        2%{?dist}
 Summary:        A command-line hex viewer
 
 # Upstream license specification: MIT/Apache-2.0
@@ -26,7 +26,7 @@ BuildRequires:  (crate(ctrlc/default) >= 3.1.0 with crate(ctrlc/default) < 4.0.0
 
 %global _description \
 `hexyl` is a simple hex viewer for the terminal. It uses a colored output to\
-distinguish different categories of bytes (NULL bytes, printable ASCII\
+distinguish different categories of bytes (NUL bytes, printable ASCII\
 characters, ASCII whitespace characters, other ASCII characters and non-ASCII).
 
 %description %{_description}
@@ -57,6 +57,9 @@ Summary:        %{summary}
 %endif
 
 %changelog
+* Mon Jan 28 2019 Josh Stone <jistone@redhat.com> - 0.4.0-2
+- Change NULL to NUL in the description
+
 * Fri Jan 25 2019 Josh Stone <jistone@redhat.com> - 0.4.0-1
 - Update to 0.4.0