diff --git a/STYLE_GUIDE b/STYLE_GUIDE
index f9d4ce27..be65d638 100644
--- a/STYLE_GUIDE
+++ b/STYLE_GUIDE
@@ -253,6 +253,8 @@ flow.
 * The Ardour manual is written in Americal English spelling.
 * Use SI units with standard abbreviations. Give imperial units only as
   additional information, if at all.
+* Do not use contractions like "you'll", always write full forms.
+* Do not over-use "You", write about the program, not the user.
 
 
 5.3 Chapter Headline Capitalization