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diff --git a/README.hpux b/README.hpux
index 5fbddf7..7d01983 100644
--- a/README.hpux
+++ b/README.hpux
@@ -124,7 +124,7 @@ If these dependent libraries are not listed at shared library creation
 time, you will get fatal "Unresolved symbol" errors at run time when the
 library is loaded.
 
-You may create a shared library that referers to another library, which
+You may create a shared library that refers to another library, which
 may be either an archive library or a shared library.  If this second
 library is a shared library, this is called a "dependent library".  The
 dependent library's name is recorded in the main shared library, but it
@@ -185,8 +185,8 @@ cannot be compiled, or that does not function as expected.
 
 =head2 Threaded Perl
 
-It is impossible to compile a version of threaded Perl on any version of
-HP-UX before 10.30, and it is strongly suggested that you be running on
+It is possible to compile a version of threaded Perl on any version of
+HP-UX before 10.30, but it is strongly suggested that you be running on
 HP-UX 11.00 at least.
 
 To compile Perl with threads, add -Dusethreads to the arguments of
@@ -197,6 +197,13 @@ is listed before -lc in the list of libraries to link Perl with.
 As of the date of this document, Perl threads are not fully supported on
 HP-UX.
 
+HP-UX versions before 10.30 require a seperate installation of a POSIX
+threads library package. Two examples are the HP DCE package, available
+on "HP-UX Hardware Extensions 3.0, Install and Core OS, Release 10.20,
+April 1999 (B3920-13941)" or the Freely available PTH package, available
+though worldwide HP-UX mirrors of precompiled packages
+(e.g. http://hpux.tn.tudelft.nl/hppd/hpux/alpha.html)
+
 =head2 64-bit Perl
 
 Beginning with HP-UX 11.00, programs compiled under HP-UX can take
@@ -241,6 +248,25 @@ If you are compiling Perl on a remotely-mounted NFS filesystem, the test
 io/fs.t may fail on test #18.  This appears to be a bug in HP-UX and no
 fix is currently available.
 
+=head2 perl -P and //
+
+In HP-UX Perl is compiled with flags that will cause problems if the
+-P flag of Perl (preprocess Perl code with the C preprocessor before
+perl sees it) is used.  The problem is that C<//>, being a C++-style
+until-end-of-line comment, will disappear along with the remainder
+of the line.  This means that common Perl constructs like
+
+    s/foo//;
+
+will turn into illegal code
+
+    s/foo
+
+The workaround is to use some other quoting separator than C<"/">,
+like for example C<"!">:
+
+    s!foo!!;
+
 =head1 AUTHOR
 
 Jeff Okamoto <okamoto@corp.hp.com>
@@ -249,6 +275,6 @@ With much assistance regarding shared libraries from Marc Sabatella.
 
 =head1 DATE
 
-Version 0.6.1: 2000/06/20
+Version 0.6.2: 2001-02-02
 
 =cut