doc: change title of Alpine build doc

Match the rest of them.

Signed-off-by: Quentin Young <qlyoung@cumulusnetworks.com>

diff --git a/doc/developer/building-frr-on-alpine.rst b/doc/developer/building-frr-on-alpine.rst
index 68031b3b617dcb9c718ba528a6b67f56fa096991..6fcb5de1076088833f30bf68971707c413622f26 100644 (file)
--- a/doc/developer/building-frr-on-alpine.rst
+++ b/doc/developer/building-frr-on-alpine.rst
@@ -1,4 +1,4 @@
-Building FRR dev packages on Alpine Linux from Git Source
+Alpine Linux 3.7+
 =========================================================
 
 For building Alpine Linux dev packages, we use docker.