“Sounds Good, Thank You” or “Sounds Good. Thank You”? Understanding Punctuation

When it comes to writing, the correct use of punctuation can convey your tone and intention more clearly. A common dilemma is whether to use a comma or a period in expressions like “Sounds good, thank you” versus “Sounds good.

Thank you.” This guide will break down the rules and provide examples to help you understand when each punctuation mark is appropriate.

When to Use a Comma

When to Use a Comma

Rule 1: Connecting Phrases that Share the Same Sentiment

When your response combines two phrases that contribute to a singular sentiment or idea, using a comma is appropriate.

Correct Usage:

  • “Sounds good, thank you for considering my request.”
  • “Looks great, thanks for the update.”

Incorrect Usage:

  • “Sounds good. Thank you for considering my request.”
  • “Looks great. Thanks for the update.”

Explanation: In these examples, the phrases are closely related and express gratitude within the context of the acknowledgment. The comma connects them smoothly, reflecting a continuous tone of conversation.

Rule 2: When the Second Phrase Directly Relates to the First

If the second phrase directly follows from the first, amplifying or explaining it, a comma can be used to indicate this close relationship.

Correct Usage:

  • “Okay, thank you for letting me know.”
  • “That’s perfect, thanks for checking.”

Incorrect Usage:

  • “Okay. Thank you for letting me know.”
  • “That’s perfect. Thanks for checking.”

Explanation: These sentences use a comma to maintain a conversational flow, where the second phrase is a natural continuation of the first.

When to Use a Period

Rule 3: Emphasizing a Pause or Separation

When you want to emphasize a pause or a more formal separation between thoughts, using a period is more appropriate.

Correct Usage:

  • “Sounds good. Thank you for your help.”
  • “I understand. Thank you for explaining.”

Incorrect Usage:

  • “Sounds good, thank you for your help.”
  • “I understand, thank you for explaining.”

Explanation: Here, the period separates two distinct thoughts, giving more weight to each statement. It can convey a more formal tone or a deliberate pause in conversation.

Rule 4: When Changing the Subject or Tone

A period can indicate a shift in subject or a change in tone, making each statement stand alone for emphasis or clarity.

Correct Usage:

  • “We’ll proceed with this plan. Thank you for your feedback.”
  • “This is a good starting point. Thanks for the effort.”

Incorrect Usage:

  • “We’ll proceed with this plan, thank you for your feedback.”
  • “This is a good starting point, thanks for the effort.”

Explanation: The period distinguishes the acknowledgment or gratitude from the preceding statement, highlighting a transition in the speaker’s focus.

General Guidelines

  • Consider the Tone: A comma often indicates a more casual or conversational tone, while a period can denote formality or emphasis.
  • Assess the Relationship: Use a comma if the phrases are closely linked in sentiment or context. Opt for a period if they stand as independent thoughts.
  • Read Aloud: To gauge the natural flow, read your sentence aloud. The pause length and tone shift can guide your punctuation choice.

Examples for Better Understanding

Correct with Comma:

  • “I’ll see you then, thanks for the heads-up.”
  • “Great idea, thank you for suggesting it.”

Correct with Period:

  • “I appreciate your input. Thank you for being thorough.”
  • “Your recommendation has been noted. Thanks for your insight.”

Incorrect Mixed Usage:

  • “I’ll see you then. Thanks for the heads-up.”
  • “Great idea. Thank you for suggesting it.”
  • “I appreciate your input, thank you for being thorough.”
  • “Your recommendation has been noted, thanks for your insight.”


Choosing between “Sounds good, thank you” and “Sounds good. Thank you” depends on the tone you wish to convey and the relationship between the phrases. Whether opting for a comma for a smoother flow and a conversational tone or a period for emphasis and formality, understanding these rules can enhance your communication clarity and effectiveness.

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