From 4baab9f0dc4dd892ddc8b6054b9e3ab80c6e6cb7 Mon Sep 17 00:00:00 2001
From: Sebastiaan van der Tol <tol@astron.nl>
Date: Wed, 1 Jul 2020 13:22:07 +0200
Subject: [PATCH] Update documentation for comparison-oskar demo

---
 demo/comparison-oskar/README.md | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/demo/comparison-oskar/README.md b/demo/comparison-oskar/README.md
index d771bee9..9e481074 100644
--- a/demo/comparison-oskar/README.md
+++ b/demo/comparison-oskar/README.md
@@ -7,11 +7,13 @@ Comparison plots can be generated by giving the following command in the build d
 ```
 make comparison
 ```
-The number of basefunctions can be set by the environment variable MAX_ORDER, for example
+This will generate a series of image files named basefunction*.png in the \<builddir\>/demo/comparison-oskar directory. The number of basefunctions depends on $L$, the maximum order, and is given by  $N = 2(L+1)^2-2$.
+
+The maximum order can be set by the environment variable MAX_ORDER, for example
 ```
 MAX_ORDER=3 make comparison-oskar
 ```
-computes the basefunctions up to order 3. The number of basefunctions is $2(L+1)^2-2$, where L is the maximum order.
+computes the basefunctions up to order 3, generating 30 image files.
 
 The application of the 'transpose' can be activated by the APPLY_TRANSPOSE environment variable, for example
 ```
-- 
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