diff --git a/acmconf_pubform-bib.dif b/acmconf_pubform-bib.dif
new file mode 100644
index 0000000..eee33dc
--- /dev/null
+++ b/acmconf_pubform-bib.dif
@@ -0,0 +1,11 @@
+--- texmf-dist/doc/latex/acmconf/pubform.bib
++++ texmf-dist/doc/latex/acmconf/pubform.bib	2008-09-25 14:17:39.000000000 +0000
+@@ -36,7 +36,7 @@
+ %%   Minus         \-     Point         \.     Solidus       \/
+ %%   Colon         \:     Semicolon     \;     Less than     \<
+ %%   Equals        \=     Greater than  \>     Question mark \?
+-%%   Commercial at \@     Left bracket  \[     Backslash     \\
++%%   Commercial at ..     Left bracket  \[     Backslash     \\
+ %%   Right bracket \]     Circumflex    \^     Underscore    \_
+ %%   Grave accent  \`     Left brace    \{     Vertical bar  \|
+ %%   Right brace   \}     Tilde         \~}