meson: fix typo

Tested: N/A
Signed-off-by: Michael Shen <gpgpgp@google.com>
Change-Id: I915f9be78628e815fef21c7e1235e9c7d7bc7992
diff --git a/meson_options.txt b/meson_options.txt
index ec979e3..77cee1f 100644
--- a/meson_options.txt
+++ b/meson_options.txt
@@ -1,6 +1,6 @@
 option('tests', type: 'feature', description: 'Build tests')
 
-# Tinmer constant
+# Timer constant
 option('read-interval-ms', type: 'integer', value: 10, description: 'Read loop interval in millisecond (ms)')
 
 # Memory constants