Fix non-ASCII character. (opensearch-project#753)

Signed-off-by: Yury-Fridlyand <[email protected]>

ml-algorithms/src/main/java/org/opensearch/ml/engine/algorithms/regression/LogisticRegression.java

@@ -104,7 +104,7 @@ private void validateParameters() {
             throw new IllegalArgumentException("MiniBatchSize should not be negative.");
         }
 
-        // loggingInterval – Log the loss after this many iterations. If -1 don't log anything.
+        // loggingInterval - Log the loss after this many iterations. If -1 don't log anything.
         if (parameters.getLoggingInterval() != null && parameters.getLoggingInterval() < -1) {
             throw new IllegalArgumentException("Invalid Logging intervals");
         }