index.html: fix a typo s/log/long/ and improve wording

diff --git a/index.html b/index.html
index c3c313f..6b166e4 100644 (file)
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+++ b/index.html
@@ -70,7 +70,7 @@
 
         <li>On mobile phones a ring uses a lot of battery, and battery is a precious resource.</li>
 
-        <li>On mobile phones a lot of fake calls will pollute you calls log.</li>
+        <li>On mobile phones a lot of fake calls will pollute the calls log.</li>
 
         <li>On mobile phones a malicious recipient can make you pay at every ring!</li>
 
@@ -112,7 +112,7 @@
 
       <p>On the receiving side the symmetric operations are performed when phone rings are detected.</p>
 
-      <p>This is basically a <em>Pulse-Distance Modulation</em> (PDM), this scheme has been chosen because it's easy to detect when a phone starts ringing, but it's not always easy to detect for how log it rings, or how many rings there are in a single call.</p>
+      <p>This is basically a <em>Pulse-Distance Modulation</em> (PDM), this scheme has been chosen because it's easy to detect when a phone starts ringing, but it's not always easy to detect for how long it rings, or how many rings there are in a single call.</p>
 
       <p>See an example of the exchange of the message <code>CODEX</code>:<br />
       <a href="images/savemysugar_plot_codex.png" title="SaveMySugar exchanging the message 'CODEX'"><img src="images/savemysugar_plot_codex.png" alt="SaveMySugar exchanging the message 'CODEX'" /></a></p>