README: Correct capitalisation of "PostScript" and "Ghostscript".

diff --git a/README.md b/README.md
index 4511c6e..a2aaf1c 100644 (file)
--- a/README.md
+++ b/README.md
@@ -821,10 +821,10 @@ cd plsql
 ORACLE_LOGON=myuser/mypass@ORCL ./wrap.sh stepX_YYY.sql
 ```
 
-### Postscript Level 2/3
+### PostScript Level 2/3
 
-The Postscript implementation of mal requires ghostscript to run. It
-has been tested with ghostscript 9.10.
+The PostScript implementation of mal requires Ghostscript to run. It
+has been tested with Ghostscript 9.10.
 
 ```
 cd ps