diff --git a/doc/dumpcap.adoc b/doc/dumpcap.adoc
index 68298de584..080ab9a343 100644
--- a/doc/dumpcap.adoc
+++ b/doc/dumpcap.adoc
@@ -265,7 +265,7 @@ there are no non-loopback interfaces. If there are no interfaces at all,
 
 Pipe names should be either the name of a FIFO (named pipe) or "-" to
 read data from the standard input.  On Windows systems, pipe names must be
-of the form "\\pipe\.\*pipename*".  Data read from pipes must be in
+of the form +"\\.\pipe\+*pipename*".  Data read from pipes must be in
 standard pcapng or pcap format. Pcapng data must have the same
 endianness as the capturing host.
 
diff --git a/doc/tshark.adoc b/doc/tshark.adoc
index 742f02215c..bdef730d93 100644
--- a/doc/tshark.adoc
+++ b/doc/tshark.adoc
@@ -603,7 +603,7 @@ there are no non-loopback interfaces.  If there are no interfaces at all,
 
 Pipe names should be either the name of a FIFO (named pipe) or "-" to
 read data from the standard input.  On Windows systems, pipe names must be
-of the form "\\pipe\.\*pipename*".  Data read from pipes must be in
+of the form +"\\.\pipe\+*pipename*".  Data read from pipes must be in
 standard pcapng or pcap format. Pcapng data must have the same
 endianness as the capturing host.
 
@@ -1407,7 +1407,7 @@ This option enables extraction of most important diameter fields from large
 capture files. Exactly one text line for each diameter message with matched
 *diameter.cmd.code* will be printed.
 
-Empty diameter command code or '*' can be specified to mach any *diameter.cmd.code*
+Empty diameter command code or +'*'+ can be specified to match any *diameter.cmd.code*
 
 Example: *-z diameter,avp*  extract default field set from diameter messages.
 
diff --git a/doc/wireshark-filter.adoc b/doc/wireshark-filter.adoc
index 02d9bbb07a..a2320b077c 100644
--- a/doc/wireshark-filter.adoc
+++ b/doc/wireshark-filter.adoc
@@ -124,7 +124,7 @@ You can force case sensitivity using
 
     wsp.header.user_agent matches "(?-i)cldc"
 
-This is an example of PCRE's *(?*option*)* construct. *(?-i)* performs a
+This is an example of PCRE's *(?*+option+*)* construct. *(?-i)* performs a
 case-sensitive pattern match but other options can be specified as well. More
 information can be found in the
 pcrepattern(3)|https://www.pcre.org/original/doc/html/pcrepattern.html man page.
diff --git a/doc/wireshark.adoc b/doc/wireshark.adoc
index 0a9861ab7f..902973989d 100644
--- a/doc/wireshark.adoc
+++ b/doc/wireshark.adoc
@@ -416,7 +416,7 @@ there are no non-loopback interfaces.  If there are no interfaces at all,
 
 Pipe names should be either the name of a FIFO (named pipe) or "-" to
 read data from the standard input.  On Windows systems, pipe names must be
-of the form "\\pipe\.\*pipename*".  Data read from pipes must be in
+of the form +"\\.\pipe\+*pipename*".  Data read from pipes must be in
 standard pcapng or pcap format. Pcapng data must have the same
 endianness as the capturing host.
 
@@ -548,7 +548,7 @@ Since *Ethereal* 0.10.12, the recent settings replaces the formerly used
 -B, -P and -T flags to manipulate the GUI dimensions.
 
 If __prefname__ is "uat", you can override settings in various user access
-tables using the form uat*:*__uat filename__:__uat record__.  __uat filename__
+tables using the form "uat:__uat filename__:__uat record__".  __uat filename__
 must be the name of a UAT file, e.g. __user_dlts__.  __uat_record__ must be in
 the form of a valid record for that file, including quotes.  For instance, to
 specify a user DLT from the command line, you would use