diff --git a/CMakeLists.txt b/CMakeLists.txt
index eeb8eb72f2c..8659542ba4b 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -5,6 +5,7 @@ SET(COMPLETE_VERSION ${CPACK_PACKAGE_VERSION_MAJOR}.${CPACK_PACKAGE_VERSION_MINO
 SET(RELEASE_NAME "Pan (Unstable)")
 SET(PROJECT_VERSION ${COMPLETE_VERSION})
 PROJECT(qgis${PROJECT_VERSION})
+# Note the version no is Mmmpp for Major/minor/patch, 0-padded, thus '10100' for 1.1.0
 SET(QGIS_VERSION_INT 10100)
 
 # TODO: