1 files changed, 3 insertions, 0 deletions
diff --git a/README.txt b/README.txt
index b422701e..1e0ad583 100644
--- a/README.txt
+++ b/README.txt
@@ -76,6 +76,9 @@ Compiling on Windows using MinGW
 
 (See http://www.mingw.org/)
 
+The source MUST be unpacked in a directory without spaces in the
+name.
+
 To compile on Windows using MinGW, use the commands
 
        $ cmake -G "MinGW Makefiles"