diff --git a/src/truetype/ttgload.c b/src/truetype/ttgload.c
index ec0d4fcc1..24cc7f83e 100644
--- a/src/truetype/ttgload.c
+++ b/src/truetype/ttgload.c
@@ -818,7 +818,7 @@
 #ifdef TT_USE_BYTECODE_INTERPRETER
     n_ins = loader->glyph->control_len;
 
-    /* save original point position in org */
+    /* save original point positions in `org' array */
     if ( n_ins > 0 )
       FT_ARRAY_COPY( zone->org, zone->cur, zone->n_points );
 
diff --git a/src/truetype/ttinterp.c b/src/truetype/ttinterp.c
index a8b9861e4..354003bc1 100644
--- a/src/truetype/ttinterp.c
+++ b/src/truetype/ttinterp.c
@@ -537,14 +537,6 @@
    *   Executes one or more instructions in the execution context.
    *
    * @Input:
-   *   debug ::
-   *     A Boolean flag.  If set, the function sets some internal
-   *     variables and returns immediately, otherwise TT_RunIns()
-   *     is called.
-   *
-   *     This is commented out currently.
-   *
-   * @Input:
    *   exec ::
    *     A handle to the target execution context.
    *