diff --git a/src/SOS/lldbplugin/swift-4.1/lldb/Target/Memory.h b/src/SOS/lldbplugin/swift-4.1/lldb/Target/Memory.h
index af6be15df9..a06a1e4184 100644
--- a/src/SOS/lldbplugin/swift-4.1/lldb/Target/Memory.h
+++ b/src/SOS/lldbplugin/swift-4.1/lldb/Target/Memory.h
@@ -65,7 +65,7 @@ class MemoryCache {
   BlockMap m_L1_cache; // A first level memory cache whose chunk sizes vary that
                        // will be used only if the memory read fits entirely in
                        // a chunk
-  BlockMap m_L2_cache; // A memory cache of fixed size chinks
+  BlockMap m_L2_cache; // A memory cache of fixed size chunks
                        // (m_L2_cache_line_byte_size bytes in size each)
   InvalidRanges m_invalid_ranges;
   Process &m_process;