Fix comments

constants.h

@@ -8,7 +8,7 @@
   by Miloslav Ciz (drummyfish), 2019
 
   Released under CC0 1.0 (https://creativecommons.org/publicdomain/zero/1.0/)
-  plus a waiver of all other intellectual property. The goal of this work is
+  plus a waiver of all other intellectual property. The goal of this work is to
   be and remain completely in the public domain forever, available for any use
   whatsoever.
 */

game.h

@@ -425,7 +425,7 @@ struct
   uint32_t lastItemTakenFrame;
   uint8_t  ammo[SFG_AMMO_TOTAL];
   uint8_t  cards;                  /**< Lowest 3 bits say which access cards
-                                   have been taken., the next 3 bits say
+                                   have been taken, the next 3 bits say
                                    which cards should be blinking in the HUD,
                                    the last 2 bits are a blink reset counter. */
   uint8_t  justTeleported;
@@ -442,7 +442,7 @@ struct
   const uint8_t* textures[7];    ///< textures the level is using
   uint32_t timeStart;
   uint32_t frameStart;
-  uint32_t completionTime10sOfS; ///< completion time in 10th of second
+  uint32_t completionTime10sOfS; ///< completion time in 10ths of second
   uint8_t floorColor;
   uint8_t ceilingColor;
 
@@ -1738,7 +1738,7 @@ void SFG_init()
 }
 
 /**
-  Adds new projectile to the current level, return 1 if added, 0 if not (max
+  Adds new projectile to the current level, returns 1 if added, 0 if not (max
   count reached).
 */
 uint8_t SFG_createProjectile(SFG_ProjectileRecord projectile)

images.h

@@ -12,7 +12,7 @@
   by Miloslav Ciz (drummyfish), 2019
 
   Released under CC0 1.0 (https://creativecommons.org/publicdomain/zero/1.0/)
-  plus a waiver of all other intellectual property. The goal of this work is
+  plus a waiver of all other intellectual property. The goal of this work is to
   be and remain completely in the public domain forever, available for any use
   whatsoever.
 */

levels.h

@@ -6,7 +6,7 @@
   by Miloslav Ciz (drummyfish), 2019
 
   Released under CC0 1.0 (https://creativecommons.org/publicdomain/zero/1.0/)
-  plus a waiver of all other intellectual property. The goal of this work is
+  plus a waiver of all other intellectual property. The goal of this work is to
   be and remain completely in the public domain forever, available for any use
   whatsoever.
 */

main_gbmeta.ino

@@ -15,7 +15,7 @@
   by Miloslav Ciz (drummyfish), 2019
 
   Released under CC0 1.0 (https://creativecommons.org/publicdomain/zero/1.0/)
-  plus a waiver of all other intellectual property. The goal of this work is
+  plus a waiver of all other intellectual property. The goal of this work is to
   be and remain completely in the public domain forever, available for any use
   whatsoever.
 */

main_pokitto.cpp

@@ -7,7 +7,7 @@
   by Miloslav Ciz (drummyfish), 2019
 
   Released under CC0 1.0 (https://creativecommons.org/publicdomain/zero/1.0/)
-  plus a waiver of all other intellectual property. The goal of this work is
+  plus a waiver of all other intellectual property. The goal of this work is to
   be and remain completely in the public domain forever, available for any use
   whatsoever.
 */

main_sdl.c

@@ -5,9 +5,8 @@
   compile a native executable or a transpiled JS browser version with
   emscripten.
 
-  This front end is pretty feature rich, allowing testing etc. A much more
-  minimal could be made. If you want a learning example of front end, look at
-  another, simpler one, e.g. the terminal.
+  This frontend is not strictly minimal, it could be reduced a lot. If you want
+  a learning example of frontend, look at another, simpler one, e.g. terminal.
 
   To compile with emscripten run:
 
@@ -16,7 +15,7 @@
   by Miloslav Ciz (drummyfish), 2019
 
   Released under CC0 1.0 (https://creativecommons.org/publicdomain/zero/1.0/)
-  plus a waiver of all other intellectual property. The goal of this work is
+  plus a waiver of all other intellectual property. The goal of this work is to
   be and remain completely in the public domain forever, available for any use
   whatsoever.
 */

main_test.c

@@ -1,7 +1,9 @@
 /**
   @file main_test.c
 
-  This is a front end that serves as a basic automatic test of the game.
+  This is a front end that serves as a basic automatic test of the game. At this
+  point it's very simple and basically just checks if anything really
+  substantial wasn't broken.
 
   This fronted tries to play the game and see if it behaves how expected. If you
   change anything substantial in the game, this test may start to fail and you 

settings.h

@@ -11,7 +11,7 @@
   by Miloslav Ciz (drummyfish), 2019
 
   Released under CC0 1.0 (https://creativecommons.org/publicdomain/zero/1.0/)
-  plus a waiver of all other intellectual property. The goal of this work is
+  plus a waiver of all other intellectual property. The goal of this work is to
   be and remain completely in the public domain forever, available for any use
   whatsoever.
 */

sounds.h

@@ -15,7 +15,7 @@
   by Miloslav Ciz (drummyfish), 2019
 
   Released under CC0 1.0 (https://creativecommons.org/publicdomain/zero/1.0/)
-  plus a waiver of all other intellectual property. The goal of this work is
+  plus a waiver of all other intellectual property. The goal of this work is to
   be and remain completely in the public domain forever, available for any use
   whatsoever.
 */