Fix typo
diff --git a/include/git2/diff.h b/include/git2/diff.h
index 3eb2656..c35701a 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.