diff --git a/src/completion_string.cc b/src/completion_string.cc
index 2eeffcf..3a4f4d4 100644
--- a/src/completion_string.cc
+++ b/src/completion_string.cc
@@ -4,8 +4,8 @@
 clangmm::CompletionChunk::CompletionChunk(std::string text, CompletionChunkKind kind)
     : text(std::move(text)), kind(kind) {}
 
-clangmm::CompletionString::CompletionString(const CXCompletionString &cx_completion_sting)
-    : cx_completion_string(cx_completion_sting) {}
+clangmm::CompletionString::CompletionString(const CXCompletionString &cx_completion_string)
+    : cx_completion_string(cx_completion_string) {}
 
 bool clangmm::CompletionString::available() const {
   return clang_getCompletionAvailability(cx_completion_string) == CXAvailability_Available;
diff --git a/src/completion_string.h b/src/completion_string.h
index c24548b..03456b3 100644
--- a/src/completion_string.h
+++ b/src/completion_string.h
@@ -28,7 +28,7 @@ namespace clangmm {
 
   class CompletionString {
   public:
-    explicit CompletionString(const CXCompletionString &cx_completion_sting);
+    explicit CompletionString(const CXCompletionString &cx_completion_string);
     bool available() const;
     std::vector<CompletionChunk> get_chunks() const;
     std::string get_brief_comment() const;