Typo correction in the option descriptor. (GR-69189)

Author: entlicher

truffle/src/com.oracle.truffle.runtime/src/com/oracle/truffle/runtime/OptimizedRuntimeOptions.java

@@ -178,7 +178,7 @@ public ExceptionAction apply(String s) {
                     usageSyntax = "[1, inf)", category = OptionCategory.INTERNAL) //
     public static final OptionKey<Integer> DynamicCompilationThresholdsMaxNormalLoad = new OptionKey<>(90);
 
-    @Option(help = "The desired minimum compilation queue load. When the load falls bellow this value, the compilation thresholds are decreased. The load is scaled by the number of compiler threads (default: 10).", //
+    @Option(help = "The desired minimum compilation queue load. When the load falls below this value, the compilation thresholds are decreased. The load is scaled by the number of compiler threads (default: 10).", //
                     usageSyntax = "[1, inf)", category = OptionCategory.INTERNAL) //
     public static final OptionKey<Integer> DynamicCompilationThresholdsMinNormalLoad = new OptionKey<>(10);