acknowledgements: add link to DRDC's document

Signed-off-by: Philippe Proulx <eeppeliteloop@gmail.com>

diff --git a/common/acknowledgements.txt b/common/acknowledgements.txt
index c31b75f2bf8039c4a916b82ac775034f440815dc..3234875f57f124d7fa5acd75fec0a8abf6cd421d 100644 (file)
--- a/common/acknowledgements.txt
+++ b/common/acknowledgements.txt
@@ -7,9 +7,10 @@ http://eepp.ca/[Philippe Proulx] wrote most of the content, created
 the diagrams, and formatted the document. He is the current maintainer
 of the LTTng Documentation.
 
-Daniel U. Thibault, from the DRDC, wrote an open guide called _LTTng:
+Daniel U. Thibault, from the DRDC, wrote
+http://cradpdf.drdc-rddc.gc.ca/PDFS/unc246/p804561_A1b.pdf[LTTng:
 The Linux Trace Toolkit Next Generation{nbsp}—{nbsp}A
-Comprehensive User's Guide (version 2.3 edition)_ which was used
+Comprehensive User's Guide (version 2.3 edition)] which was used
 to complete parts of the <<core-concepts,Core concepts>> and
 <<plumbing,Components of LTTng>> sections and for a few passages here
 and there.