diff --git a/src/coding.h b/src/coding.h
index 57fd196af32..aab8c2d4380 100644
--- a/src/coding.h
+++ b/src/coding.h
@@ -450,7 +450,7 @@ struct coding_system
 
   unsigned char *safe_charsets;
 
-  /* How may heading bytes we can skip for decoding.  This is set to
+  /* How many heading bytes we can skip for decoding.  This is set to
      -1 in setup_coding_system, and updated by detect_coding.  So,
      when this is equal to the byte length of the text being
      converted, we can skip the actual conversion process except for