Trivial markup improvement.

diff --git a/doc/src/sgml/func.sgml b/doc/src/sgml/func.sgml
index 67d212ed3f9998a4c50c2f7a756e49ae63497067..5bd29793e816def7298d4d10e35a76c78e8e15a1 100644 (file)
--- a/doc/src/sgml/func.sgml
+++ b/doc/src/sgml/func.sgml
@@ -1,5 +1,5 @@
 
 
@@ -2725,7 +2725,7 @@ cast(-44 as bit(12))           111111010100
 
     
      The substring function with three parameters,
-     substring(<parameter>string> from
+     substring(<replaceable>string> from
      pattern for
      escape-character), provides
      extraction of a substring that matches an SQL
@@ -2837,7 +2837,7 @@ substring('foobar' from '#"o_b#"%' for '#')    NULL
 
     
      The substring function with two parameters,
-     substring(<parameter>string> from
+     substring(<replaceable>string> from
      pattern), provides extraction of a substring
      that matches a POSIX regular expression pattern.  It returns null if
      there is no match, otherwise the portion of the text that matched the