README update

[r13696]

README

@@ -14,10 +14,10 @@ Contents:
 The Firm library implements the Firm intermediate representation (ir). An old
 description of Firm can be found in [TLB:99].
 
-libFirm contains algorithms for construction of the SSA directly from the
+libFirm contains algorithms for construction of the SSA form directly from the
 attributed syntax tree. A set of analyses and optimisation phases is provided.
-This version includes a complete backend for the ia32 architecture, as well as
-some unfinished backends for mips, arm, ppc32.
+This version includes a complete backend for the IA32 architecture, as well as
+some unfinished backends for MIPS, ARM, PPC32.
 
 1.1. Features