diff --git a/contrib/devtools/optimize-pngs.py b/contrib/devtools/optimize-pngs.py
index b6d6a097d6d..799e0cc7d0f 100755
--- a/contrib/devtools/optimize-pngs.py
+++ b/contrib/devtools/optimize-pngs.py
@@ -1,6 +1,6 @@
 #!/usr/bin/env python
 '''
-Run this scrip every time you change one of the png files. Using pngcrush, it will optimize the png files, remove various color profiles, remove ancillary chunks (alla) and text chunks (text).
+Run this script every time you change one of the png files. Using pngcrush, it will optimize the png files, remove various color profiles, remove ancillary chunks (alla) and text chunks (text).
 #pngcrush -brute -ow -rem gAMA -rem cHRM -rem iCCP -rem sRGB -rem alla -rem text
 '''
 import os
@@ -18,12 +18,12 @@ def content_hash(filename):
     '''Return hash of RGBA contents of image'''
     i = Image.open(filename)
     i = i.convert('RGBA')
-    data = i.tostring()
+    data = i.tobytes()
     return hashlib.sha256(data).hexdigest()
 
 pngcrush = 'pngcrush'
 git = 'git'
-folders = ["src/qt/res/movies", "src/qt/res/icons"]
+folders = ["src/qt/res/movies", "src/qt/res/icons", "share/pixmaps"]
 basePath = subprocess.check_output([git, 'rev-parse', '--show-toplevel']).rstrip('\n')
 totalSaveBytes = 0
 noHashChange = True
diff --git a/doc/developer-notes.md b/doc/developer-notes.md
index 8302a78562b..a649b3af4d3 100644
--- a/doc/developer-notes.md
+++ b/doc/developer-notes.md
@@ -1,5 +1,5 @@
-Coding Standards
-================
+Developer Notes
+===============
 
 Various coding styles have been used during the history of the codebase,
 and the result is not very consistent. However, we're now trying to converge to
diff --git a/qa/rpc-tests/README.md b/qa/rpc-tests/README.md
index 3391ee03aee..d2db00362fa 100644
--- a/qa/rpc-tests/README.md
+++ b/qa/rpc-tests/README.md
@@ -37,11 +37,11 @@ Helper functions for creating blocks and transactions.
 Notes
 =====
 
-You can run any single test by calling qa/pull-tester/rpc-tests.py <testname>
+You can run any single test by calling `qa/pull-tester/rpc-tests.py <testname>`.
 
 Or you can run any combination of tests by calling `qa/pull-tester/rpc-tests.py <testname1> <testname2> <testname3> ...`
 
-Run the regression test suite with `qa/pull-tester/rpc-tests.py'
+Run the regression test suite with `qa/pull-tester/rpc-tests.py`
 
 Run all possible tests with `qa/pull-tester/rpc-tests.py -extended`
 
diff --git a/share/qt/make_windows_icon.sh b/share/qt/make_windows_icon.sh
deleted file mode 100755
index bf607b1c623..00000000000
--- a/share/qt/make_windows_icon.sh
+++ /dev/null
@@ -1,9 +0,0 @@
-#!/bin/bash
-# create multiresolution windows icon
-ICON_SRC=../../src/qt/res/icons/bitcoin.png
-ICON_DST=../../src/qt/res/icons/bitcoin.ico
-convert ${ICON_SRC} -resize 16x16 bitcoin-16.png
-convert ${ICON_SRC} -resize 32x32 bitcoin-32.png
-convert ${ICON_SRC} -resize 48x48 bitcoin-48.png
-convert bitcoin-16.png bitcoin-32.png bitcoin-48.png ${ICON_DST}
-