Grammar, spelling, and usage police. This commit brought to you by

the letters "B" and "C".  And some Chinese symbols as well.

4 files changed, 15 insertions, 14 deletions

diff --git a/cad/acs/pkg-descr b/cad/acs/pkg-descr
index a74d21b0a257..5467b11b6765 100644
--- a/cad/acs/pkg-descr
+++ b/cad/acs/pkg-descr
@@ -1,14 +1,14 @@
-ACS is a general purpose circuit simulator.  It performs nonlinear
-dc and transient analyses, fourier analysis, and ac analysis
+ACS is a general-purpose circuit simulator.  It performs nonlinear
+DC and transient analyses, Fourier analysis, and AC analysis
 linearized at an operating point.  It is fully interactive and
 command driven.  It can also be run in batch mode or as a server.
-The output is produced as it simulates.  Spice compatible models
+The output is produced as it simulates.  Spice-compatible models
 for the MOSFET (level 1 and 2) and diode are included in this
 release.
 
 Since it is fully interactive, it is possible to make changes and
 re-simulate quickly.  The interactive design makes it well suited
-to the typical iterative design process used it optimizing a circuit
+to the typical iterative design process used in optimizing a circuit
 design.  It is also well suited to undergraduate teaching where
 Spice in batch mode can be quite intimidating.  This version, while
 still officially in beta test, should be stable enough for basic
diff --git a/cad/kaskade/pkg-descr b/cad/kaskade/pkg-descr
index 855a97fd9502..34bffa2ed308 100644
--- a/cad/kaskade/pkg-descr
+++ b/cad/kaskade/pkg-descr
@@ -1,16 +1,17 @@
 The KASKADE 3.1 software package solves linear scalar elliptic and
 parabolic problems in 1, 2, 3 space dimensions with adaptive finite
 element methods.
+
 Furthermore, the toolbox includes extensions for handling systems of
 equations and example algorithms for nonlinear methods used in obstacle,
 porous media or Stefan problems.
-Core of the program is a variety og multilevel/multigrid preconditioners
-for the arising linear systems.
 
-The code, a programmer's manual describing the software design,
-and a user's guide are available by anonymous ftp
+The core of the program is a variety of multilevel/multigrid
+preconditioners for the arising linear systems.
 
-from the MGNet or from the eLib at the Konrad-Zuse-Zentrum in Berlin.
+The code, a programmer's manual describing the software design, and a
+user's guide are available by anonymous ftp from the MGNet or from the
+eLib at the Konrad-Zuse-Zentrum in Berlin.
 
    elib:
    =====
diff --git a/cad/pcb/pkg-descr b/cad/pcb/pkg-descr
index 92e4fb064e1f..466fbcf10cf4 100644
--- a/cad/pcb/pkg-descr
+++ b/cad/pcb/pkg-descr
@@ -1,4 +1,4 @@
 Pcb - X11 interactive printed circuit board layout system.
-Pcb is a handy tool for	the  X Window Systemm build  to
-design  printed	circuit	boards. All coordinate units are
-1/1000 inch.
+
+Pcb is a handy tool for	the X Window System to design printed
+circuit	boards.  All coordinate units are 1/1000 inch.
diff --git a/cad/spice/pkg-descr b/cad/spice/pkg-descr
index 4d7c58e2c684..8b2781bc4bfc 100644
--- a/cad/spice/pkg-descr
+++ b/cad/spice/pkg-descr
@@ -1,5 +1,5 @@
-SPICE is a general-purpose circuit simulation program for nonlinear dc,
-nonlinear transient, and linear ac analyses. Circuits may contain resistors,
+SPICE is a general-purpose circuit simulation program for nonlinear DC,
+nonlinear transient, and linear AC analyses. Circuits may contain resistors,
 capacitors, inductors, mutual inductors, independent voltage and current
 sources, four types of dependent sources, lossless and lossy transmission
 lines (two separate implementations), switches, uniform distributed RC