grammar fixes etc

git-svn-id: http://svn.linuxfromscratch.org/LFS/trunk/BOOK@1870 4aa44e1e-78dd-0310-a6d2-fbcd4c07a689

appendixa/gcc-desc.xml

@@ -20,7 +20,7 @@ gcc etc.</para></sect4>
 <para>c++filt is used to demangle C++ symbols.</para></sect4>
 
 <sect4><title>collect2</title>
-<para>No description is currently available.</para></sect4>
+<para>collect2 assists with the compilation of constructors.</para></sect4>
 
 <sect4><title>cpp, cpp0</title>
 <para>cpp pre-processes a source file, such as including
@@ -31,7 +31,8 @@ contents of that file into the source file. That's one of the things a
 preprocessor does.</para></sect4>
 
 <sect4><title>gcov</title>
-<para>No description is currently available.</para></sect4>
+<para>gcov analyzes programs to help create more efficient, faster running
+code through optimization.</para></sect4>
 
 <sect4><title>protoize</title>
 <para>Optional additional program which converts old-style pre-ANSI
@@ -50,7 +51,7 @@ converted before with protoize)</para></sect4>
 <para>libgcc.a, libiberty.a, libstdc++.[a,so]</para>
 
 <sect4><title>libgcc</title>
-<para>libgcc.a is a run-time support file for gcc.Most of the time, on most 
+<para>libgcc.a is a run-time support file for gcc. Most of the time, on most 
 machines, libgcc.a is not actually necessary.</para></sect4>
 
 <sect4><title>libiberty</title>