diff --git a/doc/efun/regexplode b/doc/efun/regexplode
index 595e9df..ca67db8 100644
--- a/doc/efun/regexplode
+++ b/doc/efun/regexplode
@@ -1,8 +1,8 @@
 SYNOPSIS
         #include <regexp.h>
 
-        string *regexplode (string text, string pattern)
-        string *regexplode (string text, string pattern, int opt)
+        string * regexplode(string text, string pattern)
+        string * regexplode(string text, string pattern, int opt)
 
 DESCRIPTION
         This function is similar to explode but accepts a regular
@@ -19,9 +19,11 @@
         regexplode("abcdef", "cde", RE_OMIT_DELIM) -> ({ "ab", "f" })
 
 HISTORY
-        Introduced in 3.2@61
+        Introduced in 3.2@61.
         LDMud 3.3 added the optional <opt> argument and the RE_OMIT_DELIM
           flag.
+        Since 3.5.0 a error is raised if RE_PCRE is specified in <opt>, but
+        the driver lacks PCRE support.
 
 SEE ALSO
         explode(E), regexp(E), regmatch(E), regreplace(E),