diff --git a/ch14_applications.adoc b/ch14_applications.adoc
index 1a3c0ff2..7e70403d 100644
--- a/ch14_applications.adoc
+++ b/ch14_applications.adoc
@@ -13,7 +13,7 @@ routed payment channels (Lightning Network).
 
 === Building Blocks (Primitives)
 
-When ((("Bitcoin", "as application platform", "primitives, list of", secondary-sortas="application platform", id="bitcoin-app-platform-primitive")))((("application platform, Bitcoin as", "primitives, list of", id="app-platform-primitive")))((("primitives", id="primitive-list")))operating correctly and over the
+When ((("Bitcoin", "as application platform", "primitives, list of", secondary-sortas="application platform", id="bitcoin-app-platform-primitive")))((("application platform, Bitcoin as", "primitives, list of", id="app-platform-primitive")))((("primitives", id="primitive-list")))((("building blocks", id="build-block")))operating correctly and over the
 long term, the Bitcoin system offers certain guarantees, which can be
 used as building blocks to create applications. These include:
 
@@ -102,7 +102,7 @@ Predictable Issuance:: Less than 21 million bitcoin will be issued, at a
 predictable rate.
 
 The list of building blocks is not complete and more are added with each
-new feature introduced ((("Bitcoin", "as application platform", "primitives, list of", secondary-sortas="application platform", startref="bitcoin-app-platform-primitive")))((("application platform, Bitcoin as", "primitives, list of", startref="app-platform-primitive")))((("primitives", startref="primitive-list")))into Bitcoin.
+new feature introduced ((("Bitcoin", "as application platform", "primitives, list of", secondary-sortas="application platform", startref="bitcoin-app-platform-primitive")))((("application platform, Bitcoin as", "primitives, list of", startref="app-platform-primitive")))((("primitives", startref="primitive-list")))((("building blocks", startref="build-block")))into Bitcoin.
 
 === Applications from Building Blocks