diff --git a/Doc/lib/libpdb.tex b/Doc/lib/libpdb.tex
index 2229dc8ae59..245c3409832 100644
--- a/Doc/lib/libpdb.tex
+++ b/Doc/lib/libpdb.tex
@@ -393,7 +393,7 @@ function.
 
 \item[\code{'c_call'}]
 A C function is about to be called.  This may be an extension function
-or a builtin.  \var{arg} is the C function name.
+or a builtin.  \var{arg} is the C function object.
 
 \item[\code{'c_return'}]
 A C function has returned. \var{arg} is \code{None}.