Update readme.md

Leave out information about CPU types, since the info seems to have
changed over time.

diff --git a/readme.md b/readme.md
index 7c4e35e3a999a29b03d4190a05a7fa2153ec4342..c9b20022af5ee4df78007e05aad8f016cd509be8 100644 (file)
--- a/readme.md
+++ b/readme.md
@@ -7,14 +7,11 @@ Report VIII at <http://www.dtic.mil/docs/citations/AD0735148> which
 covered the period of July 1970 to July 1971 although some have 
 claimed as early as 1969 but provide no sources.
 
-The original MIT-DMS (along with other historically important systems 
-like AI, MC, anmd ML) were KA- and KL-10 based PDP-10 systems running 
-the Incompatible Timesharing System (ITS.) When they were retired in 
-1982, four KS-10 systems ("DECSYSTEM-2020") were put in their place in 
-order to keep ITS running. These were retired from service around 1995.
-
-This mudman.git repository is named after the MUDMAN directory on 
-MIT-DMS, which contained documentation about Muddle.
+MIT-DM (along with other historically important systems like AI, MC, 
+and ML) were a group of PDP-10 systems running the Incompatible 
+Timesharing System (ITS.) This mudman.git repository is named after 
+the MUDMAN directory on DM, which contained documentation about 
+Muddle.
 
 Many people have worked on Muddle in one aspect or other over the 
 years. These include (in alphabetical order by first name): Brian