diff --git a/pw_allocator/block_test.cc b/pw_allocator/block_test.cc
index f70c826..6a07037 100644
--- a/pw_allocator/block_test.cc
+++ b/pw_allocator/block_test.cc
@@ -304,7 +304,7 @@
   constexpr size_t kN = 1024;
   alignas(Block*) byte bytes[kN];
 
-  // Do a split, just to sanity check that the checks on Next/Prev are
+  // Do a split, just to check that the checks on Next/Prev are
   // different...
   Block* block = nullptr;
   EXPECT_EQ(Block::Init(std::span(bytes, kN), &block), OkStatus());
@@ -320,7 +320,7 @@
   constexpr size_t kN = 1024;
   alignas(Block*) byte bytes[kN];
 
-  // Do a split, just to sanity check that the checks on Next/Prev are
+  // Do a split, just to check that the checks on Next/Prev are
   // different...
   Block* block = nullptr;
   EXPECT_EQ(Block::Init(std::span(bytes, kN), &block), OkStatus());
diff --git a/pw_allocator/docs.rst b/pw_allocator/docs.rst
index 853cb08..c46dd8f 100644
--- a/pw_allocator/docs.rst
+++ b/pw_allocator/docs.rst
@@ -14,12 +14,12 @@
 
 Heap Integrity Check
 ====================
-The ``Block`` class provides two sanity check functions:
+The ``Block`` class provides two check functions:
 
   - ``bool Block::IsValid()``: Returns ``true`` is the given block is valid
     and ``false`` otherwise.
   - ``void Block::CrashIfInvalid()``: Crash the program and output the reason
-    why sanity check fails using ``PW_DCHECK``.
+    why the check fails using ``PW_DCHECK``.
 
 Heap Poisoning
 ==============
@@ -36,7 +36,7 @@
 
 When heap poisoning is enabled, ``pw_allocator`` will add ``sizeof(void*)``
 bytes before and after the usable space of each ``Block``, and paint the space
-with a hard-coded randomized pattern. During each sanity check, ``pw_allocator``
+with a hard-coded randomized pattern. During each check, ``pw_allocator``
 will check if the painted space still remains the pattern, and return ``false``
 if the pattern is damaged.
 
diff --git a/pw_allocator/public/pw_allocator/block.h b/pw_allocator/public/pw_allocator/block.h
index 30753c0..3edc92c 100644
--- a/pw_allocator/public/pw_allocator/block.h
+++ b/pw_allocator/public/pw_allocator/block.h
@@ -98,7 +98,7 @@
   // reality, this method just subtracts the appropriate amount from
   // usable_space to point to the start of the owning block.
   //
-  // Be aware that this method does not do any sanity checking; passing a random
+  // Be aware that this method does not do any checking; passing a random
   // pointer will return a non-null pointer.
   static Block* FromUsableSpace(std::byte* usable_space) {
     return reinterpret_cast<Block*>(usable_space - sizeof(Block) -