fix typo
diff --git a/subprojects/groovy-groovysh/src/main/groovy/org/apache/groovy/groovysh/jline/GroovyPosixCommands.java b/subprojects/groovy-groovysh/src/main/groovy/org/apache/groovy/groovysh/jline/GroovyPosixCommands.java
index dcf69ff..97feefc 100644
--- a/subprojects/groovy-groovysh/src/main/groovy/org/apache/groovy/groovysh/jline/GroovyPosixCommands.java
+++ b/subprojects/groovy-groovysh/src/main/groovy/org/apache/groovy/groovysh/jline/GroovyPosixCommands.java
@@ -1007,7 +1007,7 @@
             "  -r --reverse                 reverse the result of comparisons",
             "  -u --unique                  output only the first of an equal run",
             "  -t --field-separator=SEP     use SEP instead of non-blank to blank transition",
-            "  -b --ignore-leading-blanks   ignore leading blancks",
+            "  -b --ignore-leading-blanks   ignore leading blanks",
             "     --numeric-sort            compare according to string numerical value",
             "  -k --key=KEY                 fields to use for sorting separated by whitespaces"
         };