minor cleanups

doc/advopt.txt

@@ -104,7 +104,7 @@ Advanced options:
                             value = number of processors (0 for auto-detect)
   --incremental:on|off      only recompile the changed modules (experimental!)
   --verbosity:0|1|2|3       set Nim's verbosity level (1 is default)
-  --errorMax:int            stop after n errors in semantic pass; 0 means unlimited
+  --errorMax:N              stop compilation after N errors; 0 means unlimited
   --experimental:$1
                             enable experimental language feature
   -v, --version             show detailed version information

doc/contributing.rst

@@ -263,17 +263,8 @@ Take advantage of no implicit bool conversion
   doAssert isValid() == true
   doAssert isValid() # preferred
 
-.. _immediately_invoked_lambdas:
-Immediately invoked lambdas (https://en.wikipedia.org/wiki/Immediately-invoked_function_expression)
-
-.. code-block:: nim
-
-  let a = (proc (): auto = getFoo())()
-  let a = block:  # preferred
-    getFoo()
-
 .. _design_for_mcs:
-Design with method call syntax (UFCS in other languages) chaining in mind
+Design with method call syntax chaining in mind
 
 .. code-block:: nim