use better share card

index.html

@@ -389,13 +389,13 @@
   <meta name="twitter:title" content="On Charles Spearman's 1904 work, 'General Intelligence, Objectively Determined and Measured'">
   <meta name="twitter:description" content="For STAT 333, Historical Readings in the Foundations of Statistics">
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index.qmd

@@ -20,13 +20,13 @@ format:
         <meta name="twitter:title" content="On Charles Spearman's 1904 work, 'General Intelligence, Objectively Determined and Measured'"/>
         <meta name="twitter:description" content="For STAT 333, Historical Readings in the Foundations of Statistics"/>
         <meta name="twitter:url" content="https://ctesta01.github.io/spearman_1904/"/>
-        <meta name="twitter:image" content="https://raw.githubusercontent.com/ctesta01/spearman_1904/main/images/share_card.png"/>
+        <meta name="twitter:image" content="https://raw.githubusercontent.com/ctesta01/spearman_1904/main/images/0_screenshot.png"/>
         <meta name="twitter:image:alt" content="Title slide of On Charles Spearman's 1904 work, 'General Intelligence, Objectively Determined and Measured'"/>
         <meta name="twitter:card" content="summary_large_image"/>
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         <meta property="og:url" content="https://ctesta01.github.io/spearman_1904/"/>
-        <meta property="og:image" content="https://raw.githubusercontent.com/ctesta01/spearman_1904/main/images/share_card.png"/>
+        <meta property="og:image" content="https://raw.githubusercontent.com/ctesta01/spearman_1904/main/images/0_screenshot.png"/>
         <meta property="og:image:alt" content="Title slide of On Charles Spearman's 1904 work, 'General Intelligence, Objectively Determined and Measured'"/>
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readme.md

@@ -5,7 +5,7 @@
 Brief Description: 
 
 Spearman introduced his theory of "General Intelligence" at the same time as 
-he did what is widely considered the first factor analysis in his 1904. 
+he did what is widely considered the first factor analysis in his 1904 work. 
 
 Spearman's work was pioneering and yet often problematic. He later posited that
 "general intelligence" was something physically real and he advanced eugenic