diff --git a/BUGS b/BUGS
deleted file mode 100644
index 54823b6..0000000
--- a/BUGS
+++ /dev/null
@@ -1,2 +0,0 @@
-* 90° angle bug
-* results list isn't sorted
diff --git a/ctanks.c b/ctanks.c
index 28190b5..2386f3f 100644
--- a/ctanks.c
+++ b/ctanks.c
@@ -305,9 +305,15 @@ tanks_move_tank(struct tanks_game *game,
     v[1] = tank->speed.current[1] * (1 - friction) * (TANK_TOP_SPEED / 100.0);
 
     /* Outside and inside speeds */
-    So = max(v[0], v[1]);
-    Si = min(v[0], v[1]);
-    dir = (v[0] > v[1]) ? 1 : -1;
+    if (fabsf(v[0]) > abs(v[1])) {
+      Si = v[1];
+      So = v[0];
+      dir = 1;
+    } else {
+      Si = v[0];
+      So = v[1];
+      dir = -1;
+    }
 
     /* Radius of circle to outside tread (use similar triangles) */
     r = So * (TANK_RADIUS * 2) / (So - Si);
diff --git a/intro.html b/intro.html
index 0097c55..c59f48c 100644
--- a/intro.html
+++ b/intro.html
@@ -130,7 +130,7 @@ get-turret 12 + set-turret!         ( Rotate turret )
       <dd>
         Turret angle can be set between -359° and 359°, with 0° directly
         in front of the tank.  Be aware that it takes time for the
-        turret to swing around: the turret can swing about 60° per turn.
+        turret to swing around: the turret can swing about 18° per turn.
       </dd>
 
       <dt>Cannon range and recharging</dt>
diff --git a/run-tanks.c b/run-tanks.c
index 0dfb800..1eb1b93 100644
--- a/run-tanks.c
+++ b/run-tanks.c
@@ -421,12 +421,12 @@ print_rounds(FILE *f,
           flags |= 2;
         }
         fprintf(f, " [%d,%d,%.2f,%.2f,%d,%d],\n",
-               (int)(t->position[0]),
-               (int)(t->position[1]),
-               t->angle,
-               t->turret.current,
-               flags,
-               sensors);
+                (int)t->position[0],
+                (int)(t->position[1]),
+                t->angle,
+                t->turret.current,
+                flags,
+                sensors);
       }
     }
     fprintf(f, "],\n");