diff --git a/ch12_mining.adoc b/ch12_mining.adoc
index 400c95c7..5d6cc380 100644
--- a/ch12_mining.adoc
+++ b/ch12_mining.adoc
@@ -1697,7 +1697,7 @@ valid block.
 
 ==== Hard Forks: Software, Network, Mining, and Chain
 
-For software
+For ((("software forks", id="software-fork")))((("network forks", id="network-fork")))((("mining forks", id="mining-fork")))((("chain forks", id="chain-fork")))software
 developers, the term "fork" has another meaning, adding confusion to the
 term "hard fork." In open source software, a fork occurs when a group of
 developers choose to follow a different software roadmap and start a
@@ -1754,7 +1754,7 @@ New miners may mine on top of the new block,
 while old miners will mine a separate chain based on the old rules. The
 partitioned network will make it so that the miners operating on
 separate consensus rules won't likely receive each other's blocks, as
-they are connected to two separate ((("consensus rules", "hard forks", startref="consensus-hard-fork")))((("forks", "hard forks", startref="forks-hard")))((("hard forks", startref="hard-forks")))networks.
+they are connected to two separate ((("consensus rules", "hard forks", startref="consensus-hard-fork")))((("forks", "hard forks", startref="forks-hard")))((("hard forks", startref="hard-forks")))((("software forks", startref="software-fork")))((("network forks", startref="network-fork")))((("mining forks", startref="mining-fork")))((("chain forks", startref="chain-fork")))networks.
 
 ==== Diverging Miners and Difficulty