Docstring harmonization.

1 files changed, 3 insertions, 5 deletions

diff --git a/sphinx/util/png.py b/sphinx/util/png.py
index 2cb2aa9d..ca2273c4 100644
--- a/sphinx/util/png.py
+++ b/sphinx/util/png.py
@@ -21,9 +21,7 @@ IEND_CHUNK = '\x00\x00\x00\x00IEND\xAE\x42\x60\x82'
 
 
 def read_png_depth(filename):
-    """
-    Read the special tEXt chunk indicating the depth from a PNG file.
-    """
+    """Read the special tEXt chunk indicating the depth from a PNG file."""
     result = None
     f = open(filename, 'rb')
     try:
@@ -39,8 +37,8 @@ def read_png_depth(filename):
 
 
 def write_png_depth(filename, depth):
-    """
-    Write the special tEXt chunk indicating the depth to a PNG file.
+    """Write the special tEXt chunk indicating the depth to a PNG file.
+
     The chunk is placed immediately before the special IEND chunk.
     """
     data = struct.pack('!i', depth)