Slight doc clarification about 'make mapfiles'

1 files changed, 2 insertions, 1 deletions

diff --git a/doc/docs/lexerdevelopment.rst b/doc/docs/lexerdevelopment.rst
index b883d3e6..5570b251 100644
--- a/doc/docs/lexerdevelopment.rst
+++ b/doc/docs/lexerdevelopment.rst
@@ -170,7 +170,8 @@ the ``pygments.lexers`` package specify ``__all__``. For example,
 Add the name of your lexer class to this list (or create the list if your lexer
 is the only class in the module).
 
-Finally the lexer can be made publicly known by rebuilding the lexer mapping:
+Finally the lexer can be made publicly known by rebuilding the lexer mapping.
+In the root directory of the source (where the ``Makefile`` is located), run::
 
 .. code-block:: console