More summary adjustments

mathics/builtin/exp_structure/general.py

@@ -184,7 +184,7 @@ class Depth(Builtin):
      = 2
     """
 
-    summary_text = "the maximum number of indices to specify any part"
+    summary_text = "get maximum number of indices to specify any part"
 
     def eval(self, expr, evaluation: Evaluation):
         "Depth[expr_]"
@@ -295,7 +295,7 @@ class Level(Builtin):
     options = {
         "Heads": "False",
     }
-    summary_text = "parts specified by a given number of indices"
+    summary_text = "get parts specified by a given number of indices"
 
     def eval(self, expr, ls, evaluation, options={}):
         "Level[expr_, ls_, OptionsPattern[Level]]"
@@ -337,7 +337,7 @@ class Null(Predefined):
      = #<--#
     """
 
-    summary_text = "implicit result for expressions that does not yield a result"
+    summary_text = "implicit result for expressions that do not yield a result"
 
 
 class Operate(Builtin):
@@ -417,7 +417,7 @@ class Order(Builtin):
     <dl>
       <dt>'Order[$x$, $y$]'
       <dd>returns a number indicating the canonical ordering of $x$ and $y$. \
-         1 indicates that $x$ is before $y$, \-1 that $y$ is before $x$. \
+         1 indicates that $x$ is before $y$, and -1 that $y$ is before $x$. \
          0 indicates that there is no specific ordering. Uses the same order \
          as 'Sort'.
     </dl>
@@ -435,7 +435,7 @@ class Order(Builtin):
      = 0
     """
 
-    summary_text = "canonical ordering of expressions"
+    summary_text = "order expressions"
 
     def eval(self, x, y, evaluation: Evaluation):
         "Order[x_, y_]"