Fix typo in the comment

Addressing review comment from change I11bc2567b0cff89f48699ec74015991fee5b137b

Change-Id: I5d479ef61421c86fae06167815aa0a2681d9142d
diff --git a/linker/linker_phdr.cpp b/linker/linker_phdr.cpp
index 4eff46d..a2ae2a2 100644
--- a/linker/linker_phdr.cpp
+++ b/linker/linker_phdr.cpp
@@ -254,7 +254,7 @@
 
   // Only header can be located at the 0 offset... This function called to
   // check DYNSYM and DYNAMIC sections and phdr/shdr - none of them can be
-  // and 0 offset.
+  // at offset 0.
 
   return offset > 0 &&
          safe_add(&range_start, file_offset_, offset) &&