Fix mark-up errors I introduced by copy/pasting.

pep-0465.txt

@@ -733,7 +733,7 @@ to decide whether they want to try to define some reasonable semantics
 for fractional inputs.
 
 .. _`mathematical complications`:
-https://en.wikipedia.org/wiki/Square_root_of_a_matrix
+   https://en.wikipedia.org/wiki/Square_root_of_a_matrix
 
 
 Adoption
@@ -1039,7 +1039,7 @@ References
 
 .. [#preprocessor] From a comment by GvR on a G+ post by GvR; the
    comment itself does not seem to be directly linkable:
-https://plus.google.com/115212051037621986145/posts/hZVVtJ9bK3u
+   https://plus.google.com/115212051037621986145/posts/hZVVtJ9bK3u
 .. [#infix-hack] http://code.activestate.com/recipes/384122-infix-operators/
    http://www.sagemath.org/doc/reference/misc/sage/misc/decorators.html#sage.misc.decorators.infix_operator
 .. [#scipy-conf] http://conference.scipy.org/past.html
@@ -1058,7 +1058,7 @@ https://plus.google.com/115212051037621986145/posts/hZVVtJ9bK3u
    http://sfb649.wiwi.hu-berlin.de/fedc_homepage/xplore/tutorials/xegbohtmlnode17.html
 
    Example code is adapted from
-https://github.com/rerpy/rerpy/blob/0d274f85e14c3b1625acb22aed1efa85d122ecb7/rerpy/incremental_ls.py#L202
+   https://github.com/rerpy/rerpy/blob/0d274f85e14c3b1625acb22aed1efa85d122ecb7/rerpy/incremental_ls.py#L202
 
 .. [#pycon-tutorials] Out of the 36 tutorials scheduled for PyCon 2014
    (https://us.pycon.org/2014/schedule/tutorials/), we guess that the
@@ -1144,7 +1144,7 @@ https://github.com/rerpy/rerpy/blob/0d274f85e14c3b1625acb22aed1efa85d122ecb7/rer
 .. [#broadcasting] http://docs.scipy.org/doc/numpy/user/basics.broadcasting.html
 
 .. [#matmul-other-langs]
-http://mail.scipy.org/pipermail/scipy-user/2014-February/035499.html
+   http://mail.scipy.org/pipermail/scipy-user/2014-February/035499.html
 
 .. [#github-details] Counts were produced by manually entering the
    string ``"import foo"`` or ``"from foo import"`` (with quotes) into