correct reference and missing reference

doc/user_guide/elements.tex

@@ -1197,7 +1197,7 @@ A \keyword{CYCLOTRON} object includes the main characteristics of a cyclotron, t
 \item[TYPE]
     The data format of field map, Currently three formats are implemented:
     CARBONCYCL, CYCIAE, AVFEQ, FFAG, BANDRF and default PSI format.
-    For the details of their data format, please read \secref{opalcycl:fildmap}.
+    For the details of their data format, please read \secref{opalcycl:fieldmap}.
 \item[CYHARMON]
     The harmonic number of the cyclotron $h$.
 \item[RFFREQ]
@@ -1433,7 +1433,7 @@ Using a RF Cavity (standing wave) in \opalcycl mode, the following  parameters a
 \begin{kdescription}
 \item[FMAPFN]
   Defines name of file which stores normalized voltage amplitude curve of cavity gap in ASCII format.
-  (See data format in \secref{opalcycl:fildmap})
+  (See data format in \secref{opalcycl:rffieldmap})
  \item[VOLT]
   Sets peak value of voltage amplitude curve in MV.
   \item[TYPE]

doc/user_guide/opal-flavours.tex

@@ -584,7 +584,6 @@ Generally speaking, the following aspects may be considered for quantitatively s
   In the following sections of this chapter, some of the above issues will be described in detail for \opalcycl.
 
 \subsection{Field Map}
-\label{sec:opalcycl:fildmap}
 In \opalcycl, the magnetic field is read from an ASCII type file. The field data should be stored in the cylinder coordinates frame
 ( because the field map on the median plane of the cyclotron is usually measured in this frame ).
 

doc/user_guide/opalcycl.tex

@@ -157,7 +157,7 @@ PZ &= p_z + p_{z0}
 
 % -- -- -- -- -- -- Section -- -- -- -- -- --
 \section{Field Maps}
-\label{sec:opalcycl:fildmap}
+\label{sec:opalcycl:fieldmap}
 In \opalcycl, the magnetic field on the median plane is read from an ASCII type file. The field data should be stored in the cylinder coordinates frame (because the field map on the median plane of the cyclotron is usually measured in this frame).
 
 There are two possible situations. One is the real field map on median plane of the exist cyclotron machine using measurement equipment.
@@ -375,6 +375,7 @@ For more detail about the parameters of \keyword{CYCLOTRON}, please refer to \se
 
 % -- -- -- -- -- -- Section -- -- -- -- -- --
 \section{RF field}
+\label{sec:opalcycl:rffieldmap}
 \subsection{Read RF voltage profile}
 The RF cavities are treated as straight lines with infinitely narrow gaps
 and the electric field is a $\delta$ function plus a transit time correction.