code-architecture.adoc: Fix missing alignment in digraph

Change-Id: I9077590f6786833c9a86c3e844fc2dd07b404d58
diff --git a/doc/manuals/chapters/code-architecture.adoc b/doc/manuals/chapters/code-architecture.adoc
index f1feb2c..1cb2542 100644
--- a/doc/manuals/chapters/code-architecture.adoc
+++ b/doc/manuals/chapters/code-architecture.adoc
@@ -9,7 +9,7 @@
 node[shape=record,style=filled,fillcolor=gray95]
 edge[dir=back, arrowtail=empty]
 
-2[label = "{Transceiver|+ constructor()\l+ destructor()\l+ init()\l+ numChans()\l+ receiveFIFO()\l+ setSignalHandler()}"]
+2[label = "{Transceiver|+ constructor()\l+ destructor()\l+ init()\l+ numChans()\l+ receiveFIFO()\l+ setSignalHandler()\l}"]
 3[label = "{RadioInterface|...}"]
 4[label = "{RadioInterfaceResamp|...}"]
 5[label = "{RadioInterfaceMulti|...}"]