Update the version number to 2.5.1
diff --git a/doxygen/mbedtls.doxyfile b/doxygen/mbedtls.doxyfile
index b52f05c..4bc322d 100644
--- a/doxygen/mbedtls.doxyfile
+++ b/doxygen/mbedtls.doxyfile
@@ -28,7 +28,7 @@
# identify the project. Note that if you do not use Doxywizard you need
# to put quotes around the project name if it contains spaces.
-PROJECT_NAME = "mbed TLS v2.5.0"
+PROJECT_NAME = "mbed TLS v2.5.1"
# The PROJECT_NUMBER tag can be used to enter a project or revision number.
# This could be handy for archiving the generated documentation or