Spell "filesize" and "tilesize" as two words

Change-Id: Id5729b36b63b598b28f84d93d279fbbf3cb6fc21
diff --git a/av1/common/restoration.h b/av1/common/restoration.h
index 6ef9e01..babc060 100644
--- a/av1/common/restoration.h
+++ b/av1/common/restoration.h
@@ -87,8 +87,8 @@
   (RESTORATION_UNITPELS_HORZ_MAX * RESTORATION_UNITPELS_VERT_MAX)
 
 // Two 32-bit buffers needed for the restored versions from two filters
-// TODO(debargha, rupert): Refactor to not need the large tilesize to be stored
-// on the decoder side.
+// TODO(debargha, rupert): Refactor to not need the large tile size to be
+// stored on the decoder side.
 #define SGRPROJ_TMPBUF_SIZE (RESTORATION_UNITPELS_MAX * 2 * sizeof(int32_t))
 
 #define SGRPROJ_EXTBUF_SIZE (0)
diff --git a/av1/encoder/encodeframe.c b/av1/encoder/encodeframe.c
index 3881c45..6095c47 100644
--- a/av1/encoder/encodeframe.c
+++ b/av1/encoder/encodeframe.c
@@ -1765,7 +1765,7 @@
   // Signaling delta_q changes across superblocks comes with inherent syntax
   // element overhead, which adds up to total payload size. This overhead
   // becomes proportionally bigger the higher the base qindex (i.e. lower
-  // quality, smaller filesize), so a balance needs to be struck.
+  // quality, smaller file size), so a balance needs to be struck.
   // - Smaller delta_q_res: more granular delta_q control, more bits spent
   // signaling deltas.
   // - Larger delta_q_res: coarser delta_q control, less bits spent signaling
diff --git a/test/visual_metrics.py b/test/visual_metrics.py
index c57d88e..43de6ed 100755
--- a/test/visual_metrics.py
+++ b/test/visual_metrics.py
@@ -299,7 +299,7 @@
   It provides a table in which each row is a file in the line directory,
   and a column for each subdir, with the cells representing how that clip
   compares to baseline for that subdir.   A graph is given for each which
-  compares filesize to that metric.  If you click on a point in the graph it
+  compares file size to that metric.  If you click on a point in the graph it
   zooms in on that point.
 
   a SAMPLE metrics file: