diff --git a/.gitignore b/.gitignore
index 92ab689..3613fbf 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,5 +1,5 @@
-/Office Open XML 1st edition Part 2 (PDF).zip
-/Office Open XML 1st edition Part 4 (PDF).zip
+/Office%20Open%20XML%201st%20edition%20Part%202%20(PDF).zip
+/Office%20Open%20XML%201st%20edition%20Part%204%20(PDF).zip
 /poi-src-3.7-20101029.tar.gz
 /poi-src-3.8-beta3-20110606.tar.gz
 /poi-src-3.8-beta5-20111217.tar.gz
diff --git a/apache-poi.spec b/apache-poi.spec
index 5e3b057..8ebcfc5 100644
--- a/apache-poi.spec
+++ b/apache-poi.spec
@@ -12,8 +12,8 @@ URL:           http://poi.apache.org/
 Source0:       http://www.apache.org/dist/poi/release/src/poi-src-%{version}-%{reldate}.tar.gz
 #Source0:       http://www.apache.org/dist/poi/dev/src/poi-src-%%{version}%%{?rcver}-%%{reldate}.tar.gz
 # Creative Commons license 4.0 (Attribution-ShareAlike)
-Source1:       http://www.ecma-international.org/publications/files/ECMA-ST/Office Open XML 1st edition Part 4 (PDF).zip
-Source2:       http://www.ecma-international.org/publications/files/ECMA-ST/Office Open XML 1st edition Part 2 (PDF).zip
+Source1:       http://www.ecma-international.org/publications/files/ECMA-ST/Office%20Open%20XML%201st%20edition%20Part%204%20(PDF).zip
+Source2:       http://www.ecma-international.org/publications/files/ECMA-ST/Office%20Open%20XML%201st%20edition%20Part%202%20(PDF).zip
 # Creative Commons Attribution 3.0 License
 Source3:       http://dublincore.org/schemas/xmls/qdc/2003/04/02/dc.xsd
 Source4:       http://dublincore.org/schemas/xmls/qdc/2003/04/02/dcterms.xsd
diff --git a/sources b/sources
index df436dd..c08b280 100644
--- a/sources
+++ b/sources
@@ -11,5 +11,5 @@ f3fa7880f6fac5c76e6ae5f236833d8e  dc.xsd
 9ea8578553b162731b8256c141d99d66  poi-ooxml-schemas-3.12.pom
 5b734a82a2d4d577b342313560f46ccd  poi-scratchpad-3.12.pom
 c76d87bf973818b7a3f3f584fec4cda2  poi-src-3.12-20150511.tar.gz
-c8f0eac388691d5be0d1647146400a10  Office Open XML 1st edition Part 2 (PDF).zip
-abe6bb6e7799e854934b3c634e8bcf7b  Office Open XML 1st edition Part 4 (PDF).zip
+c8f0eac388691d5be0d1647146400a10  Office%20Open%20XML%201st%20edition%20Part%202%20(PDF).zip
+abe6bb6e7799e854934b3c634e8bcf7b  Office%20Open%20XML%201st%20edition%20Part%204%20(PDF).zip