wrong statement

git-svn-id: http://svn.osgeo.org/postgis/trunk@6842 b70326c6-7e19-0410-871a-916f4a2858ee

diff --git a/doc/reference_raster.xml b/doc/reference_raster.xml
index 800ac382426031411c43a6cd62f324f46751f8b8..628ad0c092a09a8de25593c0e6e684f737f13668 100644 (file)
--- a/doc/reference_raster.xml
+++ b/doc/reference_raster.xml
@@ -3295,7 +3295,7 @@ WHERE A.rid =2 ) As foo;
                <refentry id="RT_ST_MapAlgebra">
                        <refnamediv>
                                <refname>ST_MapAlgebra</refname>
-                               <refpurpose>Creates a new one band raster formed by applying a valid PostgreSQL algebraic operations on the input raster band and of pixeeltype provided.  band 1 is assumed if no band is specified.</refpurpose>
+                               <refpurpose>Creates a new one band raster formed by applying a valid PostgreSQL algebraic operation on the input raster band and of pixeeltype provided.  band 1 is assumed if no band is specified.</refpurpose>
                        </refnamediv>
                
                        <refsynopsisdiv>
@@ -3343,11 +3343,11 @@ WHERE A.rid =2 ) As foo;
                        <refsection>
                                <title>Description</title>
                                
-                               <para>Creates a new one band raster formed by applying algebraic operations defined by the <varname>expression</varname> on the input raster (<varname>rast</varname>). If no <varname>band</varname> is specified
+                               <para>Creates a new one band raster formed by applying a valid PostgreSQL algebraic operation defined by the <varname>expression</varname> on the input raster (<varname>rast</varname>). If no <varname>band</varname> is specified
         band 1 is assumed.  The new raster will have the same georeference, width, and height as the original raster but will only have one band.</para>
         
                  <para>If <varname>pixeltype</varname> is passed in, then the new raster will have a band of that pixeltype.  If no pixeltype is passed in, then the new raster band will have the same pixeltype as the input <varname>rast</varname></para>
-                 <para>Use the term <varname>rast</varname> to refer to the band you are changing.</para>
+                 <para>Use the term <varname>rast</varname> to refer to the pixel value of the original.</para>
                        
                  <para>Availability: 2.0.0 </para>
              </refsection>