SF bug #1328915, try to word kill a bit more generically. Backport candidate.
diff --git a/Doc/lib/libos.tex b/Doc/lib/libos.tex
index 631f241..08c1aad 100644
--- a/Doc/lib/libos.tex
+++ b/Doc/lib/libos.tex
@@ -1490,7 +1490,7 @@
\begin{funcdesc}{kill}{pid, sig}
\index{process!killing}
\index{process!signalling}
-Kill the process \var{pid} with signal \var{sig}. Constants for the
+Send signal \var{sig} to the process \var{pid}. Constants for the
specific signals available on the host platform are defined in the
\refmodule{signal} module.
Availability: Macintosh, \UNIX.
@@ -1499,7 +1499,7 @@
\begin{funcdesc}{killpg}{pgid, sig}
\index{process!killing}
\index{process!signalling}
-Kill the process group \var{pgid} with the signal \var{sig}.
+Send the signal \var{sig} to the process group \var{pgid}.
Availability: Macintosh, \UNIX.
\versionadded{2.3}
\end{funcdesc}