Minor update to README.md

Author: c-lipka

README.md

@@ -3,9 +3,9 @@
 
 [![Semaphore Build Status](https://semaphoreci.com/api/v1/pov-ray/povray/branches/master/shields_badge.svg?label=Semaphore)](https://semaphoreci.com/pov-ray/povray  "Semaphore: Ubuntu 14.04 LTE 64-bit with gcc 4.8")
 [![AppVeyor Build status](https://img.shields.io/appveyor/ci/c-lipka/povray-exwy4.svg?label=appveyor)](https://ci.appveyor.com/project/c-lipka/povray-exwy4 "AppVeyor: Windows Server 2012 with Visual Studio 2015")
-[![Travis CI Build Status](https://img.shields.io/travis/POV-Ray/povray.svg?label=travis ci)](https://travis-ci.org/POV-Ray/povray "Travis CI: Ubuntu 12.04 LTE 64-bit with gcc 4.6; OS X 10.11 with clang 4.2")
-[![Coverity Code Analysis](https://scan.coverity.com/projects/269/badge.svg)]( "Coverity: Static Code Analysis")
-[![Maintenance Status](https://img.shields.io/maintenance/yes/2017.svg)]( "Last edited 2017-03-04")
+[![Travis CI Build Status](https://img.shields.io/travis/POV-Ray/povray.svg?label=travis%20ci)](https://travis-ci.org/POV-Ray/povray "Travis CI: Ubuntu 12.04 LTE 64-bit with gcc 4.6; OS X 10.11 with clang 4.2")
+[![Coverity Code Analysis](https://scan.coverity.com/projects/269/badge.svg)](https://scan.coverity.com/projects/pov-ray "Coverity: Static Code Analysis")
+[![Maintenance Status](https://img.shields.io/maintenance/yes/2017.svg)](README.md "Last edited 2017-03-24")
 
 License
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