Update MLContext.cs

[shaggygi]

Updated wording for MLContext summary.

[codecov]

Codecov Report

Merging #5868 (9c37f79) into main (1b3cb77) will decrease coverage by 0.05%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##             main    #5868      +/-   ##
==========================================
- Coverage   68.27%   68.21%   -0.06%     
==========================================
  Files        1134     1134              
  Lines      242028   242028              
  Branches    25306    25306              
==========================================
- Hits       165235   165104     -131     
- Misses      70152    70271     +119     
- Partials     6641     6653      +12     

Flag	Coverage Δ
Debug	68.21% <ø> (-0.06%)	⬇️
production	62.87% <ø> (-0.07%)	⬇️
test	88.82% <ø> (-0.02%)	⬇️

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
src/Microsoft.ML.Data/MLContext.cs	90.47% <ø> (ø)
...osoft.ML.KMeansClustering/KMeansPlusPlusTrainer.cs	83.60% <0.00%> (-7.16%)	⬇️
src/Microsoft.ML.Data/Training/TrainerUtils.cs	65.86% <0.00%> (-3.82%)	⬇️
...crosoft.ML.StandardTrainers/Standard/SdcaBinary.cs	85.06% <0.00%> (-3.08%)	⬇️
test/Microsoft.ML.AutoML.Tests/AutoFitTests.cs	87.07% <0.00%> (-1.97%)	⬇️
...crosoft.ML.StandardTrainers/Optimizer/Optimizer.cs	71.96% <0.00%> (-1.16%)	⬇️
...oft.ML.StandardTrainers/Standard/SdcaMulticlass.cs	91.12% <0.00%> (-1.03%)	⬇️
src/Microsoft.ML.Data/Utils/LossFunctions.cs	66.83% <0.00%> (-0.52%)	⬇️
...ML.Transforms/Text/StopWordsRemovingTransformer.cs	86.23% <0.00%> (-0.15%)	⬇️
src/Microsoft.ML.Data/DataView/CacheDataView.cs	84.64% <0.00%> (+0.67%)	⬆️
... and 1 more

[michaelgsharp]

LGTM. Thanks!