Add usage to UnwrapMonitor. Refs #9585.

Code/Mantid/Framework/Algorithms/inc/MantidAlgorithms/UnwrapMonitor.h

@@ -51,9 +51,12 @@ public:
   virtual ~UnwrapMonitor();
   /// Algorithm's name for identification overriding a virtual method
   virtual const std::string name() const { return "UnwrapMonitor"; }
-    ///Summary of algorithms purpose
-    virtual const std::string summary() const {return "Takes an input workspace that contains 'raw' data, unwraps the data according to the reference flightpath provided and converts the units to wavelength. The output workspace will have common bins in the maximum theoretical wavelength range.";}
-
+  /// Summary of algorithms purpose
+  virtual const std::string summary() const {
+    return "Takes an input workspace that contains 'raw' data, unwraps the data "
+        "according to the reference flightpath provided and converts the units to wavelength."
+        "The output workspace will have common bins in the maximum theoretical wavelength range.";
+  }
   /// Algorithm's version for identification overriding a virtual method
   virtual int version() const { return 1; }
   /// Algorithm's category for identification overriding a virtual method

Code/Mantid/docs/source/algorithms/UnwrapMonitor-v1.rst

@@ -75,16 +75,37 @@ Restrictions on the input workspace
 ###################################
 
 The input workspace must contain histogram data where the X unit is
-time-of-flight and the Y data is raw counts. The
-`instrument <instrument>`__ associated with the workspace must be fully
-defined because detector, source & sample position are needed.
+time-of-flight and the Y data is raw counts. The instrument associated with the
+workspace must be fully defined because detector, source & sample position are needed.
 
 Child algorithms used
 #####################
 
 If the input workspace contains more than a single spectrum, Unwrap
-makes use of the `rebin <rebin>`__ algorithm to set the bins on the
+makes use of the :ref:`rebin <algm-Rebin>` algorithm to set the bins on the
 output workspace to common values which cover the maximum theoretically
 accessible wavelength range.
 
+Usage
+-----
+
+**Example - unwrapping a raw workspace.**
+
+.. testcode:: UnwrapMonitor
+
+    # Create a raw data workspace.
+    ws = CreateSampleWorkspace()
+
+    # The result variable will contain a tuple: (OutputWorkspace, JoinWaveLength)
+    # To access individual outputs use result[i] where i is the index of the required output.
+    result = UnwrapMonitor(InputWorkspace=ws,LRef=11)
+
+    print "JoinWaveLength is: " + str(result[1])
+
+Output:
+
+.. testoutput:: UnwrapMonitor
+
+    JoinWaveLength is: 1.4241722326403834
+
 .. categories::