Fix #1978 h5vers usage message. (#3162)

Update Platforms Tested in RELEASE.txt.

1 files changed, 3 insertions, 2 deletions

diff --git a/bin/h5vers b/bin/h5vers
index 6716794..c2894b0 100755
--- a/bin/h5vers
+++ b/bin/h5vers
@@ -118,8 +118,9 @@ Usage: $prog [OPTS] [FILE]
         as \"version 1.1 release 0 (pre1)\" will be printed.
     FILE
         The name of the file that contains version information.  This is
-        seldom necessary since files H5public.h, src/H5public.h and
-        ../src/H5public.h are automatically checked.
+        seldom necessary since the file H5public.h is checked for current
+        working directory at the top level, one level down, or in the src 
+        directory where H5public.h resides.
 EOF
   exit 1;
 }