fix: typo

nothing major.

Author: gokaygurcan

README.md

@@ -134,7 +134,7 @@ net.train(data, {
       errorThresh: 0.005,   // the acceptable error percentage from training data --> number between 0 and 1
       log: false,           // true to use console.log, when a function is supplied it is used --> Either true or a function
       logPeriod: 10,        // iterations between logging out --> number greater than 0
-      learningRate: 0.3,    // scales with delta to effect traiing rate --> number between 0 and 1
+      learningRate: 0.3,    // scales with delta to effect training rate --> number between 0 and 1
       momentum: 0.1,        // scales with next layer's change value --> number between 0 and 1
       callback: null,       // a periodic call back that can be triggered while training --> null or function
       callbackPeriod: 10,   // the number of iterations through the training data between callback calls --> number greater than 0