diff --git a/src/core/support/string.h b/src/core/support/string.h
index 71bd3f84e304068d661e87b27a363a6804f2439b..2ce4b7f7856bcfc64c18f5cac01fc176433bc2f4 100644
--- a/src/core/support/string.h
+++ b/src/core/support/string.h
@@ -60,7 +60,7 @@ char *gpr_hexdump(const char *buf, size_t len, gpr_uint32 flags);
 int gpr_parse_bytes_to_uint32(const char *data, size_t length,
                               gpr_uint32 *result);
 
-/* minimum buffer size for calling ltoa */
+/* Minimum buffer size for calling ltoa */
 #define GPR_LTOA_MIN_BUFSIZE (3 * sizeof(long))
 
 /* Convert a long to a string in base 10; returns the length of the