[3109] Update text

doc/devel/contribute.dox

@@ -76,7 +76,7 @@ gtest) as a base for our C++ unit-tests. See
 http://code.google.com/p/googletest/ for details. For Python unit-tests,
 we use the its \c unittest library which is included in Python. You must
 have \c gtest installed or at least extracted in a directory before
-compiling BIND10 unit-tests. To enable unit-tests in BIND10, use
+compiling BIND10 unit-tests. To enable unit-tests in BIND10, use:
 
 @code
 ./configure --with-gtest=/path/to/your/gtest/dir
@@ -88,13 +88,13 @@ or
 ./configure --with-gtest-source=/path/to/your/gtest/dir
 @endcode
 
-There are other useful switches passed to configure. It is always a good
+There are other useful switches which can be passed to configure. It is always a good
-idea to use --enable-logger-checks, which does sanity checks on logger
+idea to use \c --enable-logger-checks, which does sanity checks on logger
 parameters. If you happen to modify anything in the documentation, use
---enable-generate-docs. If you are modifying DHCP code, you are likely
+\c --enable-generate-docs. If you are modifying DHCP code, you are likely
-to be interested in MySQL backend for DHCP. Keep note that if the backend
+to be interested in enabling the MySQL backend for DHCP. Note that if the backend
-is not enabled, MySQL specific unit-tests are skipped, too. From that
+is not enabled, MySQL specific unit-tests are skipped. From that
-perspective, it is useful to use --with-dhcp-mysql parameter. For a
+perspective, it is useful to use \c --with-dhcp-mysql. For a
 complete list of all switches, use:
 
 @code