DOC: small fixes to parrec docstring

Author: matthew-brett

nibabel/parrec.py

@@ -11,7 +11,7 @@
 This is yet another MRI image format generated by Philips scanners. It is an
 ASCII header (PAR) plus a binary blob (REC).
 
-This implementation aims to read version 4 and 4.2 of this format. Other
+This implementation aims to read version 4.0 through 4.2 of this format. Other
 versions could probably be supported, but we need example images to test
 against.  If you want us to support another version, and have an image we can
 add to the test suite, let us know.  You would make us very happy by submitting
@@ -32,7 +32,7 @@
     .    Dynamic scan      <0=no 1=yes> ?   :   1
     .    Diffusion         <0=no 1=yes> ?   :   0
 
-(from nibabe/tests/data/phantom_EPI_asc_CLEAR_2_1.PAR)
+(from ``nibabel/tests/data/phantom_EPI_asc_CLEAR_2_1.PAR``)
 
 Image information
 #################
@@ -48,7 +48,7 @@
     #  dynamic scan number                      (integer)
 
 There follows a space separated table with values for these fields, each row
-containing all the named values. Here's the first few lines from the example
+containing all the named values. Here are the first few lines from the example
 file above::
 
     # === IMAGE INFORMATION ==========================================================