diff --git a/Doc/ref/ref4.tex b/Doc/ref/ref4.tex
index 429302a..2151a6a 100644
--- a/Doc/ref/ref4.tex
+++ b/Doc/ref/ref4.tex
@@ -101,7 +101,7 @@
 Class definition & global n.s. of containing block & new n.s. & \\
 Function body & global n.s. of containing block & new n.s. & \\
 String passed to \verb@exec@ statement
-	& global n.s. of cobtaining block
+	& global n.s. of containing block
 		& local n.s. of containing block & (1) \\
 String passed to \verb@eval()@
 	& global n.s. of caller & local n.s. of caller & (1) \\