Update joining-mainnet.md

Author: JeremyParish69

docs/overview/validate/joining-mainnet.md

@@ -19,7 +19,7 @@ curl -sL https://get.osmosis.zone/install > i.py && python3 i.py
 
 ## Or Install Osmosis Binary manually
 
-Make sure you have [installed the Osmosis Binary CLI](/docs/osmosis-core/osmosisd.md#minimum-requirements) prior to following the below instructions.
+Make sure you have [installed the Osmosis Binary CLI](../../osmosis-core/osmosisd#minimum-requirements) prior to following the below instructions.
 
 
 ## Initialize Osmosis Node