diff --git a/doc/generic/pgf/pgfmanual-en-library-calendar.tex b/doc/generic/pgf/pgfmanual-en-library-calendar.tex
index 971da06bd..66a2a49c8 100644
--- a/doc/generic/pgf/pgfmanual-en-library-calendar.tex
+++ b/doc/generic/pgf/pgfmanual-en-library-calendar.tex
@@ -261,7 +261,7 @@ \subsection{Calendar Command}
 \end{codeexample}
     \end{key}
 
-    \begin{key}{/tikz/every day (initially anchor=base east)}
+    \begin{key}{/tikz/every day (initially {anchor=base east})}
         This style is executed by the default node code for each day. The
         |every day| style is useful for changing the way days look. For
         example, let us make all days red: