diff --git a/libxcrypt.spec b/libxcrypt.spec
index 581582b..214c172 100644
--- a/libxcrypt.spec
+++ b/libxcrypt.spec
@@ -176,12 +176,15 @@ Summary:        Compatibility library providing legacy API functions
 Requires:       %{name}%{?_isa}         == %{version}-%{release}
 
 %description    compat
-This package contains the library providing the compatibility API for
-applications that are still using the unsafe and deprecated encrypt,
-encrypt_r, setkey, setkey_r, and fcrypt functions.
+This package contains the library providing the compatibility API
+for applications that are linked against glibc's libxcrypt, or that
+are still using the unsafe and deprecated, encrypt, encrypt_r,
+setkey, setkey_r, and fcrypt functions, which are still required by
+recent versions of POSIX, the Single UNIX Specification, and various
+other standards.
 
 All existing binary executables linked against glibc's libcrypt should
-work unmodified with this library.
+work unmodified with the library supplied by this package.
 %endif
 
 
@@ -359,6 +362,7 @@ done
 * Mon Jan 14 2019 Björn Esser <besser82@fedoraproject.org> - 4.4.2-4
 - Bump SO-name for Fedora >= 30 and enable compat package (#1666033)
 - Add distribution README file
+- Update description of the compat package
 
 * Sun Dec 23 2018 Björn Esser <besser82@fedoraproject.org> - 4.4.2-3
 - Remove architecture bits from Recommends