diff --git a/doc/arm/latex-fixup.pl b/doc/arm/latex-fixup.pl
index b1384c85de..5f1149e053 100644
--- a/doc/arm/latex-fixup.pl
+++ b/doc/arm/latex-fixup.pl
@@ -43,6 +43,7 @@ while (<>) {
     s/{\\texttt{{\.\\dbz{}}}}/\\mbox{{\\texttt{{\.\\dbz{}}}}}/;
 
     # Add any further tweaking here.
+    s/&#50102;/{\\"o}/;
 
     # Write out whatever we have now.
     print;
diff --git a/doc/arm/notes.xml b/doc/arm/notes.xml
index f4ee9b23ef..9409234796 100644
--- a/doc/arm/notes.xml
+++ b/doc/arm/notes.xml
@@ -50,7 +50,7 @@
 	  when parsing certain malformed DNSSEC keys.
 	</para>
 	<para>
-	  This flaw was discovered by Hanno Boeck of the Fuzzing
+	  This flaw was discovered by Hanno B&#xc3b6;eck of the Fuzzing
 	  Project, and is disclosed in CVE-2015-5722. [RT #40212]
 	</para>
       </listitem>