diff --git a/system/doc/reference_manual/modules.md b/system/doc/reference_manual/modules.md
index dcfdb524f0fd..961eef08bff8 100644
--- a/system/doc/reference_manual/modules.md
+++ b/system/doc/reference_manual/modules.md
@@ -164,7 +164,7 @@ is to be preferred since the extra type information can be used by tools to
 produce documentation or find discrepancies.
 
 Read more about behaviours and callback modules in
-[OTP Design Principles](`e:system:spec_proc.md#behaviours`).
+[OTP Design Principles](`e:system:design_principles.md#behaviours`).
 
 ### Record Definitions
 
diff --git a/system/doc/system_principles/system_principles.md b/system/doc/system_principles/system_principles.md
index 972db0802561..539527ec7d67 100644
--- a/system/doc/system_principles/system_principles.md
+++ b/system/doc/system_principles/system_principles.md
@@ -138,7 +138,7 @@ This requires that the source code is structured as applications
 according to the OTP design principles.
 
 For more information about `.rel` files, see
-[OTP Design Principles](`e:system:release_handling.md`) and the
+[Release Handling](`e:system:release_handling.md`) and the
 [rel](`e:sasl:rel.md`) page in SASL.
 
 To generate the binary boot script file `Name.boot` the boot script file