diff --git a/libxcrypt.spec b/libxcrypt.spec
index 455fc2b..c1c7731 100644
--- a/libxcrypt.spec
+++ b/libxcrypt.spec
@@ -290,6 +290,12 @@ should work unmodified with the provided version of the
 libcrypt.so.1 library in place.
 EOF
 %endif
+%{__cat} << EOF >> README-STATIC
+Applications that use certain legacy APIs supplied by glibc’s
+libcrypt (encrypt, encrypt_r, setkey, setkey_r, and fcrypt)
+cannot be compiled nor linked against the supplied build of
+the object files provided in the static library libcrypt.a.
+EOF
 %{__mkdir_p} %{_vpath_builddir}{,-compat}
 
 
@@ -341,7 +347,7 @@ popd
 
 # Install documentation to shared %%_pkgdocdir.
 %{__install} -Dpm 0644 -t %{buildroot}%{_pkgdocdir} \
-  ChangeLog NEWS README THANKS TODO
+  ChangeLog NEWS README README-STATIC THANKS TODO
 
 # Install distribution README file, if existing, to shared %%_pkgdocdir.
 if [ -f README%{distname} ]; then
@@ -432,6 +438,7 @@ done
 
 
 %files          static
+%doc %{_pkgdocdir}/README-STATIC
 /%{_lib}/.lib{,x}crypt.a.hmac
 /%{_lib}/lib{,x}crypt.a
 
@@ -439,6 +446,7 @@ done
 %changelog
 * Wed Jan 30 2019 Björn Esser <besser82@fedoraproject.org> - 4.4.3-4
 - Add a README-POSIX file with information about the stub functions
+- Add a README-STATIC file with information about the static library
 
 * Wed Jan 30 2019 Björn Esser <besser82@fedoraproject.org> - 4.4.3-3
 - Replace unsafe functions in libxcrypt-compat with stubs (#1670735)