Corrected a typo and a grammatical error (which was there before).

docs/user-guide/utilities/fieldconvert.tex

@@ -100,7 +100,7 @@ Specifically, FieldConvert has these additional functionalities
 \item \inltt{equispacedoutput}: Write data as equi-spaced output using simplices to represent the data for connecting points;
 \item \inltt{extract}: Extract a boundary field;
 \item \inltt{homplane}: Extract a plane from 3DH1D expansions;
-'item \inltt{innerproduct}: take the inner product between one or a series of fields with another field (or series of fields). 
+\item \inltt{innerproduct}: take the inner product between one or a series of fields with another field (or series of fields). 
 \item \inltt{interpfield}: Interpolates one field to another, requires fromxml, fromfld to be defined;
 \item \inltt{interppointdatatofld}: Interpolates given discrete data using a finite difference approximation to a fld file given an xml file;
 \item \inltt{interppoints}: Interpolates a set of points to another, requires fromfld and fromxml to be defined, a line or plane of points can be defined;
@@ -546,7 +546,7 @@ FieldConvert -m printfldnorms test.xml test.fld out.stdout
 \end{lstlisting}
 
 This module does not create an output file which is reinforced by the
-out.stdout option. The L2 and LInf norms for each field variable is
+out.stdout option. The L2 and LInf norms for each field variable are
 then printed to the stdout.
 
 %