1 files changed, 5 insertions, 5 deletions
diff --git a/doc/tutorials/externals-howto/HOWTO-externals-en.tex b/doc/tutorials/externals-howto/HOWTO-externals-en.tex
index c2c08bc5..59afe0ff 100644
--- a/doc/tutorials/externals-howto/HOWTO-externals-en.tex
+++ b/doc/tutorials/externals-howto/HOWTO-externals-en.tex
@@ -2,7 +2,7 @@
 
 \documentclass[12pt, a4paper,english,titlepage]{article}  
 
-%% HOWTO write an external for pd
+%% HOWTO write an external for Pd
 %% Copyright (c) 2001-2006 by IOhannes m zmölnig
 %%
 %%  Permission is granted to copy, distribute and/or modify this document
@@ -23,7 +23,7 @@ for {\em Pure Data}
 }
 
 \author{
-johannes m zmölnig \\
+IOhannes m zmölnig \\
 \\
 {\em institute of electronic music and acoustics\footnote{http://iem.at}}
 }
@@ -44,7 +44,7 @@ functionality out of the given primitives and combinations of these.
 Therefore, Pd can be extended with self made primitives (``objects'')
 that are written in complex programming-languages, like {\tt C/C++}. 
 
-This document aims to explain, how to write such primitives in {\tt C},
+This document aims to explain how to write such primitives in {\tt C},
 the popular language that was used to realize Pd.
 \end{abstract}
 
@@ -114,7 +114,7 @@ Unlike {\em externals}, {\em libraries} can be imported by Pd with special opera
 After a {\em library} has been imported,
 all included {\em externals} have been loaded into memory and are available as objects.
 
-Pd supports to modes to import {\em libraries}:
+Pd supports two modes to import {\em libraries}:
 
 \begin{itemize}
 \item via the command line-option ``{\tt -lib my\_lib}''
@@ -190,7 +190,7 @@ manipulate the data with.
 
 If a message is sent to an instance of our class, a method is called.
 These methods are the interfaces to the message system of Pd.
-On principal they have no return argument and are therefore are of the
+On principal they have no return argument and are therefore of the
 type \verb+void+.
 
 \begin{verbatim}