Fix a typo in the bc manpage template for E builds

Signed-off-by: Gavin Howard <gavin@yzena.com>
diff --git a/manuals/bc.1.md.in b/manuals/bc.1.md.in
index 3f42207..041d684 100644
--- a/manuals/bc.1.md.in
+++ b/manuals/bc.1.md.in
@@ -68,7 +68,7 @@
     This has the effect that a copy of the current value of all four are pushed
 {{ end }}
 {{ E EH EN EP EHN EHP ENP EHNP }}
-    Turns the globals **ibase**, **obase**, and **scale** into stacks.
+:   Turns the globals **ibase**, **obase**, and **scale** into stacks.
 
     This has the effect that a copy of the current value of all three are pushed
 {{ end }}