diff --git a/section_1/regs/ldr.md b/section_1/regs/ldr.md
index 7fe0749..82254bd 100644
--- a/section_1/regs/ldr.md
+++ b/section_1/regs/ldr.md
@@ -380,7 +380,7 @@ SillyCopy16:
 
 ### Indexing Through An Array of `struct`
 
-You should read the chapter on `struct` found [here](where?).
+You should read the chapter on `struct` found [here](../structs/alignment.md).
 
 Here is a more elaborate case study. Given this:
 
diff --git a/section_1/regs/ldr.pdf b/section_1/regs/ldr.pdf
index 5a9a104..729259d 100644
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diff --git a/section_3/precomputation/README.pdf b/section_3/precomputation/README.pdf
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index 0000000..39cd300
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