diff --git a/include/tesseract/capi.h b/include/tesseract/capi.h
index d6ff279d..fa16697d 100644
--- a/include/tesseract/capi.h
+++ b/include/tesseract/capi.h
@@ -301,7 +301,7 @@ TESS_API int *TessBaseAPIAllWordConfidences(TessBaseAPI *handle);
 #ifndef DISABLED_LEGACY_ENGINE
 TESS_API BOOL TessBaseAPIAdaptToWordStr(TessBaseAPI *handle, TessPageSegMode mode,
                                         const char *wordstr);
-#endif // ndef DISABLED_LEGACY_ENGINE
+#endif // #ifndef DISABLED_LEGACY_ENGINE
 
 TESS_API void TessBaseAPIClear(TessBaseAPI *handle);
 TESS_API void TessBaseAPIEnd(TessBaseAPI *handle);
diff --git a/src/api/baseapi.cpp b/src/api/baseapi.cpp
index 242e3c00..e3a15153 100644
--- a/src/api/baseapi.cpp
+++ b/src/api/baseapi.cpp
@@ -2114,7 +2114,7 @@ bool TessBaseAPI::DetectOS(OSResults *osr) {
   }
   return orientation_and_script_detection(input_file_.c_str(), osr, tesseract_) > 0;
 }
-#endif // ndef DISABLED_LEGACY_ENGINE
+#endif // #ifndef DISABLED_LEGACY_ENGINE
 
 void TessBaseAPI::set_min_orientation_margin(double margin) {
   tesseract_->min_orientation_margin.set_value(margin);
@@ -2236,4 +2236,4 @@ std::string HOcrEscape(const char *text) {
   return ret;
 }
 
-} // namespace tesseract.
+} // namespace tesseract