Complete 3 libLAS related questions

doc/faq.rst

@@ -21,14 +21,18 @@ FAQ
   manipulation. libLAS was also trying to be partially compatible
   with LASlib and LAStools. PDAL, on the other hand, aims to be
   a ultimate library and a set of tools for manipulating and processing
-  point clouds which is easily extensible by its users.
+  point clouds and is easily extensible by its users.
 
 * Are there any command line tools in PDAL similar to LAStools?
 
   Yes. The ``pdal`` command provides a wide range of features which go
-  far beyond basic LIDAR data processing. Additionally, the whole
-  PDAL is licensed under an open source license.
+  far beyond basic LIDAR data processing. Additionally, PDAL is licensed
+  under an open source license (this applies to the whole library and
+  all command line tools).
 
 * Is there any compatibility with libLAS's LAS Utility Applications or LAStools?
 
-  No. To provide You will find ``pdal`` info translate :ref:`apps`
+  No. The the command line interface was developed from scratch with
+  focus on usability and readability. You will find that the ``pdal``
+  command has several well-organized subcommands such as ``info``
+  or ``translate`` (see :ref:`apps`).