main: Fixed some comments in texparam.c

Reviewed-by: Anuj Phogat <anuj.phogat@gmail.com>
diff --git a/src/mesa/main/texparam.c b/src/mesa/main/texparam.c
index cb483f3..772e699 100644
--- a/src/mesa/main/texparam.c
+++ b/src/mesa/main/texparam.c
@@ -229,7 +229,7 @@
 
 /**
  * This is called just prior to changing any texture object state which
- * will not effect texture completeness.
+ * will not affect texture completeness.
  */
 static inline void
 flush(struct gl_context *ctx)
@@ -240,7 +240,7 @@
 
 /**
  * This is called just prior to changing any texture object state which
- * can effect texture completeness (texture base level, max level).
+ * could affect texture completeness (texture base level, max level).
  * Any pending rendering will be flushed out, we'll set the _NEW_TEXTURE
  * state flag and then mark the texture object as 'incomplete' so that any
  * per-texture derived state gets recomputed.