Clarify some parts of docstring

src/include/inigrep.sh

     #     inigrep -p foo.bar.baz
     #     inigrep -p foo.bar.baz foo.ini
     #
-    # and result in reading of key *baz* from section *foo.bar*
+    # and both result in reading of key *baz* from section *foo.bar*
     # in file *foo.ini*, which is selected from *FFOO_INIGREP_PATH*.
     # Should there be more foo.ini's, the first is selected.
     # Using `-j` switch
     #
     #     inigrep -j -p foo.bar.baz
     #
-    # would cause any of such files be concatenated.
+    # would cause all foo.ini's on *FFOO_INIGREP_PATH* be
+    # concatenated instead.
     #
     #     inigrep -s qux ./corge.ini
     #