diff --git a/en_US.ISO8859-1/books/porters-handbook/book.sgml b/en_US.ISO8859-1/books/porters-handbook/book.sgml
index 2757e5fee4..4786a8f74b 100644
--- a/en_US.ISO8859-1/books/porters-handbook/book.sgml
+++ b/en_US.ISO8859-1/books/porters-handbook/book.sgml
@@ -5332,7 +5332,7 @@ USE_XORG=      x11 xpm</programlisting>
 	<title>Getting fake <envar>DISPLAY</envar> using Xvfb</title>
 
 	<para>Some applications require a working X11 display for compilation to
-	  succeed.  This pose a problem for machines which operates headless.
+	  succeed.  This pose a problem for machines that operate headless.
 	  When the following variable is used, the build infrastructure will
 	  start the virtual framebuffer
 	  X server.  The working <envar>DISPLAY</envar> is then passed
@@ -6639,7 +6639,7 @@ _DOCSDIR=       .
 	    <row>
 	      <entry><makevar>USE_TCL_WRAPPER</makevar></entry>
 
-	      <entry>Ports that requrire the
+	      <entry>Ports that require the
 		<application>Tcl</application> shell and do not require
 		a specific <literal>tclsh</literal> version should use
 		this new variable.  The <literal>tclsh</literal> wrapper
@@ -8224,7 +8224,7 @@ CFLAGS+=        -DLUA_VERSION_STRING="${VER_STR}"
 		<entry>If variable is set to <literal>yes</literal>,
 		  add dependency on <filename role="package">databases/db41</filename>
 		  port.  The variable may also be set to values: 2, 3, 40, 41,
-		  42, 43, 44, 45 46, or 47.  You can declare a range of
+		  42, 43, 44, 45, 46, or 47.  You can declare a range of
 		  acceptable values, <makevar>USE_BDB</makevar>=42+ will find
 		  the highest installed version, and fall back to 42 if nothing
 		  else is installed.</entry>
@@ -12202,7 +12202,7 @@ Reference: &lt;http://www.freebsd.org/ports/portaudit/74a9541d-5d6c-11d8-80e3-00
 		    <entry>8.0-CURRENT after axing out the
 		      <function>lockwaiters</function> and
 		      <function>BUF_LOCKWAITERS</function> functions,
-		      changing the return value fo <function>brelvp</function>
+		      changing the return value of <function>brelvp</function>
 		      from void to int and introducing new flags for
 		      &man.lockinit.9;.</entry>
 		    <entry>800024</entry>