diff --git a/runtime/doc/eval.txt b/runtime/doc/eval.txt
index be0e667..f8f3b99 100644
--- a/runtime/doc/eval.txt
+++ b/runtime/doc/eval.txt
@@ -3460,7 +3460,7 @@
 		    "v"			for |characterwise| text
 		    "V"			for |linewise| text
 		    "<CTRL-V>{width}"	for |blockwise-visual| text
-		    0			for an empty or unknown register
+		    ""			for an empty or unknown register
 		<CTRL-V> is one character with value 0x16.
 		If {regname} is not specified, |v:register| is used.