diff --git a/compiler/optimizing/code_generator_arm64.h b/compiler/optimizing/code_generator_arm64.h
index d78ad87..584a642 100644
--- a/compiler/optimizing/code_generator_arm64.h
+++ b/compiler/optimizing/code_generator_arm64.h
@@ -828,6 +828,7 @@
   // Deduplication map for 64-bit literals, used for non-patchable method address or method code.
   Uint64ToLiteralMap uint64_literals_;
   // PC-relative method patch info for kBootImageLinkTimePcRelative/BootImageRelRo.
+  // Also used for type/string patches for kBootImageRelRo (same linker patch as for methods).
   ArenaDeque<PcRelativePatchInfo> boot_image_method_patches_;
   // PC-relative method patch info for kBssEntry.
   ArenaDeque<PcRelativePatchInfo> method_bss_entry_patches_;
@@ -835,7 +836,7 @@
   ArenaDeque<PcRelativePatchInfo> boot_image_type_patches_;
   // PC-relative type patch info for kBssEntry.
   ArenaDeque<PcRelativePatchInfo> type_bss_entry_patches_;
-  // PC-relative String patch info; type depends on configuration (intern table or boot image PIC).
+  // PC-relative String patch info for kBootImageLinkTimePcRelative.
   ArenaDeque<PcRelativePatchInfo> boot_image_string_patches_;
   // PC-relative String patch info for kBssEntry.
   ArenaDeque<PcRelativePatchInfo> string_bss_entry_patches_;