diff --git a/reference/pcntl/functions/pcntl-getpriority.xml b/reference/pcntl/functions/pcntl-getpriority.xml
index 4de1c9f7de..d2d54873bb 100644
--- a/reference/pcntl/functions/pcntl-getpriority.xml
+++ b/reference/pcntl/functions/pcntl-getpriority.xml
@@ -29,7 +29,7 @@
      <term><parameter>process_id</parameter></term>
      <listitem>
       <para>
-       If &null;, the pid of the current process is used.
+       If &null;, the process id of the current process is used.
       </para>
      </listitem>
     </varlistentry>
diff --git a/reference/pcntl/functions/pcntl-setpriority.xml b/reference/pcntl/functions/pcntl-setpriority.xml
index dde3931a41..2b377ef0ab 100644
--- a/reference/pcntl/functions/pcntl-setpriority.xml
+++ b/reference/pcntl/functions/pcntl-setpriority.xml
@@ -41,7 +41,7 @@
      <term><parameter>process_id</parameter></term>
      <listitem>
       <para>
-       If &null;, the pid of the current process is used.
+       If &null;, the process id of the current process is used.
       </para>
      </listitem>
     </varlistentry>
diff --git a/reference/pcntl/functions/pcntl-sigwaitinfo.xml b/reference/pcntl/functions/pcntl-sigwaitinfo.xml
index cc8b9c2416..cc5ecac32f 100644
--- a/reference/pcntl/functions/pcntl-sigwaitinfo.xml
+++ b/reference/pcntl/functions/pcntl-sigwaitinfo.xml
@@ -84,7 +84,7 @@
  <refsect1 role="returnvalues">
   &reftitle.returnvalues;
   <para>
-   Returns a signal number on success, or &false; on error.
+   Returns a signal number on success,&return.falseforfailure;.
   </para>
  </refsect1>
 
diff --git a/reference/pcntl/functions/pcntl-wait.xml b/reference/pcntl/functions/pcntl-wait.xml
index 0db07950bd..5fd2c8bc6b 100644
--- a/reference/pcntl/functions/pcntl-wait.xml
+++ b/reference/pcntl/functions/pcntl-wait.xml
@@ -59,9 +59,9 @@
        If wait3 is available on your system (mostly BSD-style systems), you can
        provide the optional <parameter>flags</parameter> parameter.  If this
        parameter is not provided, wait will be used for the system call.  If
-       wait3 is not available, providing a value for <parameter>options
-       </parameter> will have no effect. The value of <parameter>options
-       </parameter> is the value of zero or more of the following two constants
+       wait3 is not available, providing a value for <parameter>flags</parameter>
+       will have no effect. The value of <parameter>flags</parameter>
+       is the value of zero or more of the following two constants
        <literal>OR</literal>'ed together:
        <table>
         <title>Possible values for <parameter>flags</parameter></title>