diff --git a/lib/doc/UserGuide.lyx b/lib/doc/UserGuide.lyx
index d91b3ec5d8..d5d2176bfb 100644
--- a/lib/doc/UserGuide.lyx
+++ b/lib/doc/UserGuide.lyx
@@ -10633,11 +10633,11 @@ lm
 cm
 \family default
  as default fonts.
- They basically look the same as 
+ In most cases they look the same as 
 \family typewriter
 cm
 \family default
-, although some kerning is different, but 
+, but 
 \family typewriter
 lm
 \family default
@@ -10647,7 +10647,7 @@ cm
 \family default
  and 
 \family typewriter
-ae
+ce
 \family default
 .
 \end_layout