diff --git a/include/git2/diff.h b/include/git2/diff.h
index 3eb265652..c35701a46 100644
--- a/include/git2/diff.h
+++ b/include/git2/diff.h
@@ -1194,7 +1194,7 @@ typedef enum {
 } git_diff_stats_format_t;
 
 /**
- * Accumlate diff statistics for all patches.
+ * Accumulate diff statistics for all patches.
  *
  * @param out Structure containg the diff statistics.
  * @param diff A git_diff generated by one of the above functions.