diff --git a/CHANGES/v2.2.txt b/CHANGES/v2.2.txt
index 8133601a2377a433d174762313cd8322591a8cb9..e0c0d20f92e9b30b67590adb708f61f2b5f80555 100644
--- a/CHANGES/v2.2.txt
+++ b/CHANGES/v2.2.txt
@@ -116,6 +116,8 @@ For users:
   asks for too many atoms, see \issue{185}.
 - Optimisations (activation of the dependencies, secondary structures, DRMSD)
 - Fixed a performance regression with RMSD=OPTIMAL-FAST
+- Added to ./configure the possibility to enable/disable documentation (--enable-doc) and PDF manual (--enable-pdfdoc).
+  Default behavior is to enable both, for backward compatibility.
 
 For developers:
 - Fixed a bug in the interpretation of cmd strings. Namely, an erroneous string was not triggering an error.