Replace "conformance checking" with "conformance check", remove leading spaces for body text

Co-authored-by: Ted Thibodeau Jr <tthibodeau@openlinksw.com>

Author: mgberg

shacl12-core/index.html

@@ -6655,12 +6655,16 @@ <h4>sh:nodeByExpression</h4>
 					<div class="def def-text">
 						<div class="def-header">TEXTUAL DEFINITION</div>
 						<div class="def-text-body" data-validator="NodeByExpression">
-							Let <code>$expr</code> be a <a>value</a> of <code>sh:nodeByExpression</code>.
-							For each <a>value node</a> <code>v</code>: perform <a>conformance checking</a> of <code>v</code> against each <a>output node</a>
-							of <code>evalExpr(expr, <a>data graph</a>, v, {})</code> <code>s</code> that is a <a>node shape</a> in the <a>shapes graph</a>.
-							For each conformance check, a <a>failure</a> MUST be produced if the <a>conformance checking</a> of <code>v</code> against <code>s</code> produces a <a>failure</a>.
-							Otherwise, if <code>v</code> does not <a>conform</a> to <code>s</code>,
-							there is a <a>validation result</a> with <code>v</code> as <code>sh:value</code> and a <a>deep copy</a> of <code>s</code> as <code>sh:sourceConstraint</code>.
+Let <code>$expr</code> be a <a>value</a> of <code>sh:nodeByExpression</code>.
+For each <a>value node</a> <code>v</code>: perform <a>conformance check</a> of
+<code>v</code> against each <a>output node</a> of <code>evalExpr(expr,
+<a>data graph</a>, v, {})</code> <code>s</code> that is a <a>node shape</a>
+in the <a>shapes graph</a>. For each <a>conformance check</a>, a <a>failure</a>
+MUST be produced if the <a>conformance check</a> of <code>v</code> against
+<code>s</code> produces a <a>failure</a>. Otherwise, if <code>v</code> does
+not <a>conform</a> to <code>s</code>, there is a <a>validation result</a>
+with <code>v</code> as <code>sh:value</code> and a <a>deep copy</a> of
+<code>s</code> as <code>sh:sourceConstraint</code>.
 						</div>
 					</div>
 					<p><em>The remainder of this section is informative.</em></p>