diff --git a/README b/README
index 4fe9fe4..e5b9843 100644
--- a/README
+++ b/README
@@ -13,8 +13,8 @@ Windows users can download and run a pre-compiled Windows binary
 
 After decompressing, you can simply execute either one of the two .bat
 files. The 'autopilot' one zooms in a specific location, while the other
-one allows you to zoom interactively using your mouse (left-click zooms in,
-right-click zooms out).
+one allows you to zoom interactively using your mouse (left-click/hold zooms in,
+right-click/hold zooms out).
 
 For those of you that want to build from source code, there are 
 cross-compilation instructions later in this document.
@@ -36,11 +36,11 @@ Usage
 You can then try these:
 
     $ src/mandelSSE
-    (Runs in autopilot in a 1024x768 window)
+    (Runs in autopilot mode, in a 1024x768 window)
 
     $ src/mandelSSE -m 1280 720
     (Runs in mouse-driven mode, in a 1280x720 window)
-    (left-click zooms-in, right-click zooms out)
+    (left-click/hold zooms-in, right-click/hold zooms out)
 
 Option `-h` gives you additional information about how to control
 the Mandelbrot zoomer:
diff --git a/README.md b/README.md
index 4fe9fe4..e5b9843 100644
--- a/README.md
+++ b/README.md
@@ -13,8 +13,8 @@ Windows users can download and run a pre-compiled Windows binary
 
 After decompressing, you can simply execute either one of the two .bat
 files. The 'autopilot' one zooms in a specific location, while the other
-one allows you to zoom interactively using your mouse (left-click zooms in,
-right-click zooms out).
+one allows you to zoom interactively using your mouse (left-click/hold zooms in,
+right-click/hold zooms out).
 
 For those of you that want to build from source code, there are 
 cross-compilation instructions later in this document.
@@ -36,11 +36,11 @@ Usage
 You can then try these:
 
     $ src/mandelSSE
-    (Runs in autopilot in a 1024x768 window)
+    (Runs in autopilot mode, in a 1024x768 window)
 
     $ src/mandelSSE -m 1280 720
     (Runs in mouse-driven mode, in a 1280x720 window)
-    (left-click zooms-in, right-click zooms out)
+    (left-click/hold zooms-in, right-click/hold zooms out)
 
 Option `-h` gives you additional information about how to control
 the Mandelbrot zoomer:
diff --git a/src/mandel.cc b/src/mandel.cc
index d3cf5e3..349b218 100644
--- a/src/mandel.cc
+++ b/src/mandel.cc
@@ -26,15 +26,21 @@
 
 void usage(char *argv[])
 {
-    printf("Usage: %s [-a|-m] [-h] [-b] [-v|-s|-d] [-i iter] [-p pct] [-f rate] [WIDTH HEIGHT]\n", argv[0]);
+    printf("Usage: %s [-a|-m] [-h] [-b] "
+#ifdef __x86_64__
+           "[-v|-s|-d] "
+#endif
+           "[-i iter] [-p pct] [-f rate] [WIDTH HEIGHT]\n", argv[0]);
     puts("Where:");
     puts("\t-h\tShow this help message");
     puts("\t-m\tRun in mouse-driven mode");
     puts("\t-a\tRun in autopilot mode (default)");
     puts("\t-b\tRun in benchmark mode (implies autopilot)");
+#ifdef __x86_64__
     puts("\t-v\tForce use of AVX");
     puts("\t-s\tForce use of SSE");
     puts("\t-d\tForce use of non-AVX, non-SSE code");
+#endif
     puts("\t-i iter\tThe maximum number of iterations of the Mandelbrot loop (default: 2048)");
     puts("\t-p pct\tThe percentage of pixels computed per frame (default: 0.75)");
     puts("\t      \t(the rest are copied from the previous frame)");
@@ -48,7 +54,9 @@ int main(int argc, char *argv[])
 {
     int opt, fps = 60;
     bool autoPilot = true, benchmark = false;
+#ifdef __x86_64__
     bool forceAVX = false, forceSSE = false, forceDefault = false;
+#endif
     double percent = 0.75;
 
     iterations = 2048;
@@ -68,6 +76,7 @@ int main(int argc, char *argv[])
                 autoPilot = true;
                 benchmark = true;
                 break;
+#ifdef __x86_64__
             case 'v':
                 forceAVX = true;
                 break;
@@ -77,6 +86,7 @@ int main(int argc, char *argv[])
             case 'd':
                 forceDefault = true;
                 break;
+#endif
             case 'i':
                 if (1 != sscanf(optarg, "%d", &iterations))
                     panic("[x] Invalid number of iterations: '%s'", optarg);
@@ -159,7 +169,7 @@ int main(int argc, char *argv[])
     printf("[-] Iterations: %d\n", iterations);
 #else
     CoreLoopDouble = CoreLoopDoubleDefault;
-    printf("[-] Mode: %s\n", "non-AVX");
+    printf("[-] Mode: %s\n", "non-AVX/non-SSE");
 #endif
 
     const char *windowTitle;
diff --git a/src/xaos.cc b/src/xaos.cc
index 927831c..ab9c842 100644
--- a/src/xaos.cc
+++ b/src/xaos.cc
@@ -314,7 +314,7 @@ double autopilot(double percent, bool benchmark)
         if (benchmark)
             break;
     }
-    printf("[-] Rendered %d frames.\n", frames);
+    printf("[-] Rendered  : %d frames\n", frames);
     return ((double)frames)*1000.0/ticks;
 }
 
@@ -384,7 +384,7 @@ double mousedriven(double percent)
         }
     }
     // Inform point reached, for potential autopilot target
-    printf("[-] Rendered %d frames.\n", frames);
+    printf("[-] Rendered  : %d frames\n", frames);
     return ((double)frames)*1000.0/ticks;
 }