diff --git a/VERSION b/VERSION
index 86002f45..06508bbb 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-8.3.376
+8.3.377
diff --git a/extract/ExtBasic.c b/extract/ExtBasic.c
index 01a44d59..4551ab15 100644
--- a/extract/ExtBasic.c
+++ b/extract/ExtBasic.c
@@ -190,7 +190,7 @@ extFoundFunc(tile, cxp)
  *		fet
  *		device
  *
- * Interruptible in a limited sense.  We will still return a
+ * Interruptible in a limited sense.  We will still return an
  * ExtRegion list, but labels may not have been assigned, and
  * nodes and fets may not have been output.
  *
diff --git a/extract/ExtCell.c b/extract/ExtCell.c
index 042c2dfc..bd94bb26 100644
--- a/extract/ExtCell.c
+++ b/extract/ExtCell.c
@@ -248,7 +248,7 @@ extFileOpen(def, file, mode, doLocal, prealfile)
  * a cell on the plane representing the substrate to determine if the area is
  * the default substrate or an isolated region.  If an isolated region, it
  * must be painted with a tile type so that the extraction code can tag the
- * tiles with a ExtRegion and assign it a node.  This code creates the substrate
+ * tiles with an ExtRegion and assign it a node.  This code creates the substrate
  * paint in the isolated regions for the duration of the extration, then
  * reverts back to the original plane afterward.
  *
diff --git a/extract/extractInt.h b/extract/extractInt.h
index a530d451..b0662ade 100644
--- a/extract/extractInt.h
+++ b/extract/extractInt.h
@@ -132,7 +132,7 @@ typedef struct ll
  * The following are the structures built up by the various
  * clients of ExtFindRegions.  The general rule for these
  * structures is that their initial fields must be identical
- * to those in a ExtRegion, but subsequent fields are up to
+ * to those in an ExtRegion, but subsequent fields are up to
  * the individual client.
  *
  * Regions marked as GENERIC are the types accepted by
@@ -1027,7 +1027,7 @@ extern ClientData extUnInit;
 	STACKPUSH((ClientData)(pointertype)(pl | TT_SIDE), extNodeStack); \
 	STACKPUSH((ClientData)(pointertype)tp, extNodeStack)
 
-/* ------------------------- ExtRegion finding --------------------------- */
+/* ------------------------- Region finding --------------------------- */
 
 extern ExtRegion *ExtFindRegions();
 extern LabelList *ExtLabelRegions();
diff --git a/plot/plotPNM.c b/plot/plotPNM.c
index c7a49238..82b6e745 100644
--- a/plot/plotPNM.c
+++ b/plot/plotPNM.c
@@ -823,7 +823,7 @@ PlotPNM(fileName, scx, layers, xMask, width)
 
     TxPrintf ("PNM image dimensions: %d x %d\n", im_x, im_y);
 #if 0
-    TxPrintf ("ExtRegion size: %d x %d\n", tile_xsize, tile_ysize);
+    TxPrintf ("Region size: %d x %d\n", tile_xsize, tile_ysize);
     TxPrintf ("Pixels per region: %d\n", y_pixels);
     TxPrintf ("Scale: %g\n", scale);
     TxPrintf ("Antialiasing overlap: %d\n", scale_over_2);
diff --git a/readline/readline-4.3/text.c b/readline/readline-4.3/text.c
index 09d12bdd..2f8335f0 100644
--- a/readline/readline-4.3/text.c
+++ b/readline/readline-4.3/text.c
@@ -1496,7 +1496,7 @@ rl_backward_char_search (count, key)
 
 /* **************************************************************** */
 /*								    */
-/*		   The Mark and the ExtRegion.			    */
+/*		   The Mark and the Region.			    */
 /*								    */
 /* **************************************************************** */
 
diff --git a/resis/ResMain.c b/resis/ResMain.c
index 5d3d2746..7b25d081 100644
--- a/resis/ResMain.c
+++ b/resis/ResMain.c
@@ -38,7 +38,7 @@ resNode			*ResNodeQueue = NULL;	/* Pending nodes	  */
 resNode			*ResOriginNode = NULL;	/* node where R=0	  */
 resNode			*resCurrentNode;
 int			ResTileCount = 0;	/* Number of tiles rn_status */
-extern ExtRegion 		*ResFirst();
+extern ExtRegion 	*ResFirst();
 extern Tile		*FindStartTile();
 extern int		ResEachTile();
 extern int		ResLaplaceTile();
diff --git a/utils/netlist.h b/utils/netlist.h
index 744f8a11..dab63004 100644
--- a/utils/netlist.h
+++ b/utils/netlist.h
@@ -48,7 +48,7 @@ typedef struct nlTermLoc
     struct chan		*nloc_chan;	/* Contains nloc_stem */
     struct pin		*nloc_pin;	/* Pin on nloc_chan boundary */
 
-    struct region	*nloc_region;	/* ExtRegion containing stem */
+    struct region	*nloc_region;	/* Region containing stem */
     struct czone	*nloc_czone;	/* Range containing point */
     int			 nloc_stemcost;	/* Cost of stem	*/
     int			 nloc_flags;	/* Flags */