Be less verbose when `The' and `command' just aren't necessary


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17846 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/docs/CommandGuide/llvm-as.pod b/docs/CommandGuide/llvm-as.pod
index 9413c0c..fa2fa9c 100644
--- a/docs/CommandGuide/llvm-as.pod
+++ b/docs/CommandGuide/llvm-as.pod
@@ -10,9 +10,9 @@
 
 =head1 DESCRIPTION
 
-The B<llvm-as> command invokes the LLVM assembler.  It reads a file containing
-human-readable LLVM assembly language, translates it to LLVM bytecode, and
-writes the result into a file or to standard output.
+B<llvm-as> is the LLVM assembler.  It reads a file containing human-readable
+LLVM assembly language, translates it to LLVM bytecode, and writes the result
+into a file or to standard output.
 
 If F<filename> is omitted or is C<->, then B<llvm-as> reads its input from
 standard input.