diff --git a/pages/common/join.md b/pages/common/join.md
index 9800ef9db1..91e964f4d7 100644
--- a/pages/common/join.md
+++ b/pages/common/join.md
@@ -8,12 +8,12 @@
 
 - Join two files using a comma (instead of space) as a field separator:
 
-`join -t ',' {{file1}} {{file2}}`
+`join -t {{','}} {{file1}} {{file2}}`
 
 - Join field3 of file1 with field1 of file2:
 
-`join -1 3 -2 1 {{file1}} {{file2}}`
+`join -1 {{3}} -2 {{1}} {{file1}} {{file2}}`
 
 - Produce a line for each unpairable line for file1:
 
-`join -a 1 {{file1}} {{file2}}`
+`join -a {{1}} {{file1}} {{file2}}`