Little doc updates

doc/fsl.utils.imcp.rst

+:orphan:
+
+fsl.utils.imcp module
+=====================
+
+.. automodule:: fsl.utils.imcp
+    :members:
+    :undoc-members:
+    :show-inheritance:

fsl/data/imagewrapper.py

@@ -744,7 +744,7 @@ def isValidFancySliceObj(sliceobj, shape):
 
 def canonicalSliceObj(sliceobj, shape):
     """Returns a canonical version of the given ``sliceobj``. See the
-    ``nibabel.fileslice.canonical_slicers` function.
+    ``nibabel.fileslice.canonical_slicers`` function.
     """
 
     # Fancy slice objects must have