Update primer.md

Correct formatting in table
diff --git a/googletest/docs/primer.md b/googletest/docs/primer.md
index ba17ce8..8f5c6e2 100644
--- a/googletest/docs/primer.md
+++ b/googletest/docs/primer.md
@@ -215,16 +215,16 @@
 
 | Fatal assertion         | Nonfatal assertion      | Verifies               |
 | ----------------------- | ----------------------- | ---------------------- |
-| `ASSERT_STREQ(str1,     | `EXPECT_STREQ(str1,     | the two C strings have |
-: str2);`                 : str2);`                 : the same content       :
-| `ASSERT_STRNE(str1,     | `EXPECT_STRNE(str1,     | the two C strings have |
-: str2);`                 : str2);`                 : different contents     :
-| `ASSERT_STRCASEEQ(str1, | `EXPECT_STRCASEEQ(str1, | the two C strings have |
-: str2);`                 : str2);`                 : the same content,      :
-:                         :                         : ignoring case          :
-| `ASSERT_STRCASENE(str1, | `EXPECT_STRCASENE(str1, | the two C strings have |
-: str2);`                 : str2);`                 : different contents,    :
-:                         :                         : ignoring case          :
+| `ASSERT_STREQ(str1,`    | `EXPECT_STREQ(str1,`    | the two C strings have |
+| `str2);`                | `str2);`                | the same content       |
+| `ASSERT_STRNE(str1,`    | `EXPECT_STRNE(str1,`    | the two C strings have |
+| `str2);`                | `str2);`                | different contents     |
+| `ASSERT_STRCASEEQ(str1,`| `EXPECT_STRCASEEQ(str1,`| the two C strings have |
+| `str2);`                | `str2);`                | the same content,      |
+|                         |                         | ignoring case          |
+| `ASSERT_STRCASENE(str1,`| `EXPECT_STRCASENE(str1,`| the two C strings have |
+| `str2);`                | `str2);`                | different contents,    |
+|                         |                         | ignoring case          |
 
 Note that "CASE" in an assertion name means that case is ignored. A `NULL`
 pointer and an empty string are considered *different*.