diff --git a/maven.changes b/maven.changes
index 9f30637..b5de266 100644
--- a/maven.changes
+++ b/maven.changes
@@ -1,3 +1,8 @@
+-------------------------------------------------------------------
+Mon Apr  1 23:29:07 UTC 2019 - Jan Engelhardt <jengelh@inai.de>
+
+- Adjust RPM groups. Avoid bashisms in %postun.
+
 -------------------------------------------------------------------
 Fri Mar 29 07:58:04 UTC 2019 - Fridrich Strba <fstrba@suse.com>
 
diff --git a/maven.spec b/maven.spec
index 1f7434b..23199e8 100644
--- a/maven.spec
+++ b/maven.spec
@@ -171,7 +171,7 @@ Core part of Apache Maven that can be used as a library.
 
 %package        javadoc
 Summary:        API documentation for %{name}
-Group:          Development/Tools/Building
+Group:          Documentation/HTML
 BuildArch:      noarch
 
 %description    javadoc
@@ -366,7 +366,7 @@ update-alternatives --install %{_bindir}/mvn mvn %{homedir}/bin/mvn %{?maven_alt
 --slave %{_mandir}/man1/mvnDebug.1.gz mvnDebug1 %{homedir}/bin/mvn.1.gz \
 
 %postun
-if [[ $1 -eq 0 ]]; then
+if [ $1 -eq 0 ]; then
   update-alternatives --remove %{name} %{homedir}/bin/mvn
 fi