diff --git a/klibc/README b/klibc/README
index baa2242..cf034e2 100644
--- a/klibc/README
+++ b/klibc/README
@@ -34,8 +34,8 @@
 
    The following is the last known status of various architectures:
 
-   Known to work:	       alpha arm i386 s390 s390x
-   Works static, not shared:   mips(*) sparc(*) sparc64(*) arm-thumb
+   Known to work:	       alpha arm i386 s390 s390x sparc sparc64
+   Works static, not shared:   mips(*) arm-thumb
    Need crt0.S updates:	       ppc 
    Missing setjmp:	       ppc64
    May or may not work:	       x86_64
@@ -43,6 +43,8 @@
 
    (*) = Linker problem; might work with fixed linker
 
+   Shared library support for sparc/sparc64 requires binutils 2.13.90.0.4.
+
    Note that even the "known to work" ones likely have bugs.  Please
    report them if you run into them.