Update comments for consistency

libraries/stdlib/stdlib_defs.mtlx

@@ -1091,7 +1091,7 @@
 
   <!--
     Node: <circle>
-    Returns 1 (float) if sample is inside a circle defined by center and radius. Otherwise returns 0
+    Returns 1 if sample is inside a circle defined by center and radius; otherwise returns 0.
   -->
   <nodedef name="ND_circle_float" node="circle" nodegroup="procedural2d">
     <input name="sample" type="vector2" value="0, 0" />
@@ -1102,7 +1102,7 @@
 
   <!--
     Node: <cloverleaf>
-    Returns 1 (float) if sample is inside a cloverleaf shape inscribed by a circle defined by center and radius. Otherwise returns 0
+    Returns 1 if sample is inside a cloverleaf shape inscribed by a circle defined by center and radius; otherwise returns 0.
   -->
   <nodedef name="ND_cloverleaf_float" node="cloverleaf" nodegroup="procedural2d">
     <input name="sample" type="vector2" value="0, 0" />
@@ -1113,7 +1113,7 @@
 
   <!--
     Node: <hexagon>
-    Returns 1 (float) if sample is inside a hexagon shape inscribed by a circle defined by center and radius. Otherwise returns 0
+    Returns 1 if sample is inside a hexagon shape inscribed by a circle defined by center and radius; otherwise returns 0.
     Uses formulas from Inigo Quilez SDF samples (iquilezles.org)
   -->
   <nodedef name="ND_hexagon_float" node="hexagon" nodegroup="procedural2d">
@@ -1125,7 +1125,7 @@
 
   <!--
     Node: <line>
-    Returns 1 (float) if sample is at less than radius distance from a line segment defined by point1 and point2. Otherwise returns 0
+    Returns 1 if sample is at less than radius distance from a line segment defined by point1 and point2; otherwise returns 0.
     Segment ends will be rounded.
     Uses formulas from Inigo Quilez SDF samples (iquilezles.org)
   -->