--- src/enblend.1.rz	2014-10-25 10:29:06.805111758 +0200
+++ src/enblend.1	2014-10-25 10:30:46.991944281 +0200
@@ -171,6 +171,12 @@
 ENBLEND_OPENCL_PATH
 The ENBLEND_OPENCL_PATH environment variable sets the search
 path for OpenCL source files.
+.TP
+TMPDIR
+The TMPDIR environment variable specifies the location used for 
+temporary files. Beware that the hugin frontend may reset the 
+value of this variable, in this case it can be set in the hugin
+preferences.
 .SH AUTHOR
 Written by Andrew Mihal and others.
 .SH "REPORTING BUGS"