diff --git a/src/hb-face.cc b/src/hb-face.cc
index 5fcc4e93d..f6ca19fac 100644
--- a/src/hb-face.cc
+++ b/src/hb-face.cc
@@ -197,7 +197,7 @@ _hb_face_for_data_reference_table (hb_face_t *face HB_UNUSED, hb_tag_t tag, void
  * a face index into that blob.
  *
  * The face index is used for blobs of file formats such as TTC and
- * and DFont that can contain more than one face.  Face indices within
+ * DFont that can contain more than one face.  Face indices within
  * such collections are zero-based.
  *
  * <note>Note: If the blob font format is not a collection, @index
diff --git a/src/hb-subset-instancer-solver.cc b/src/hb-subset-instancer-solver.cc
index 5c0f43ad4..7a2735c52 100644
--- a/src/hb-subset-instancer-solver.cc
+++ b/src/hb-subset-instancer-solver.cc
@@ -125,7 +125,7 @@ _solve (Triple tent, Triple axisLimit, bool negative = false)
       return result_t{};  // No overlap
 
   /* case 2: Only the peak and outermost bound fall outside the new limit;
-   * we keep the deltaset, update peak and outermost bound and and scale deltas
+   * we keep the deltaset, update peak and outermost bound and scale deltas
    * by the scalar value for the restricted axis at the new limit, and solve
    * recursively.
    *