1 files changed, 2 insertions, 2 deletions

diff --git a/shell/math.c b/shell/math.c
index 9d3b912a7..760645d0f 100644
--- a/shell/math.c
+++ b/shell/math.c
@@ -652,10 +652,10 @@ evaluate_string(arith_state_t *math_state, const char *expr)
                  * integer stack.
                  * But for binary operators, "apply" everything on the operator
                  * stack until we find an operator with a lesser priority than the
-                 * one we have just extracted.
+                 * one we have just extracted. If op is right-associative,
+                 * then stop "applying" on the equal priority too.
                  * Left paren is given the lowest priority so it will never be
                  * "applied" in this way.
-                 * if associativity is right and priority eq, applied also skip
                  */
                 prec = PREC(op);
                 if ((prec > 0 && prec < UNARYPREC) || prec == SPEC_PREC) {