lib/igt_kms: Fixed typo

Signed-off-by: Robert Foss <robert.foss@collabora.com>
Reviewed-by: Petri Latvala <petri.latvala@intel.com>
diff --git a/lib/igt_kms.c b/lib/igt_kms.c
index 52e1f17..d104734 100644
--- a/lib/igt_kms.c
+++ b/lib/igt_kms.c
@@ -308,7 +308,7 @@
  * kmstest_pipe_name:
  * @pipe: display pipe
  *
- * Returns: String represnting @pipe, e.g. "A".
+ * Returns: String representing @pipe, e.g. "A".
  */
 const char *kmstest_pipe_name(enum pipe pipe)
 {