diff --git a/shell/index.rst b/shell/index.rst
index 3279449..25bac9a 100644
--- a/shell/index.rst
+++ b/shell/index.rst
@@ -6,6 +6,7 @@ IFS shell scripting guidelines
    :maxdepth: 2
 
    foreword
+   principles
    guidelines/index
 
 Indices and tables
diff --git a/shell/guidelines/principles.rst b/shell/principles.rst
similarity index 100%
rename from shell/guidelines/principles.rst
rename to shell/principles.rst