diff --git a/KNOWN_BUGS b/KNOWN_BUGS
index 8517a29..0a61db2 100644
--- a/KNOWN_BUGS
+++ b/KNOWN_BUGS
@@ -1,3 +1,6 @@
+- Moderncv is incompatible with biblatex.
+- Footnotes generates errors (though the output seem correct when running with
+  "-interaction=nonstopmode")
 - When using CJK, the last \clearpage required for fancyhdr to work properly kills
   the "lastpage" counter, hence also the page numbering.
 - Moderncv produces an error ("lonely \item--perhaps a missing list environment")
diff --git a/moderncvstyleclassic.sty b/moderncvstyleclassic.sty
index f8d2d0c..5e3ba9b 100644
--- a/moderncvstyleclassic.sty
+++ b/moderncvstyleclassic.sty
@@ -118,7 +118,7 @@
       \ifthenelse{\isundefined{\@extrainfo}}{}{\makenewline\@extrainfo}%
     \end{tabular}
   }%
-  % optional picture box
+  % optional photo (pre-rendering)
   \newbox{\makecvtitlepicturebox}%
   \savebox{\makecvtitlepicturebox}{%
     \ifthenelse{\isundefined{\@photo}}%
@@ -143,7 +143,7 @@
   \hfill%
   % detailed information
   \llap{\usebox{\makecvtitledetailsbox}}% \llap is used to suppress the width of the box, allowing overlap if the value of makecvtitlenamewidth is forced
-  % optional photo
+  % optional photo (rendering)
   \usebox{\makecvtitlepicturebox}\\[2.5em]%
   % optional quote
   \ifthenelse{\isundefined{\@quote}}%